BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 11.4, Problem 27E

Textbook Problem

*In Exercises 23 to 28, use a form of the Law of Cosines to find the measure of the indicated side or angle. Angle measures should be found to the nearest degree and lengths of sides to the nearest tenth of a unit.*

Parallelogram *ABCD*

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...

Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - For the triangles in Exercises 1 to 6, a why does...Ch. 11.2 - Using the right triangle from Exercise 1, show...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In the right circular cone, a Find r correct to...Ch. 11.2 - In parallelogram ABCD, find to the nearest degree:...Ch. 11.2 - A ladder of length AB is carried horizontally...Ch. 11.2 - Use the drawing provided to show that the area of...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - In regular pentagon ABCDE, each radius has length...Ch. 11.2 - Consider regular pentagon ABCDE of Exercise 44. In...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In the triangle shown, find each measure to the...Ch. 11.3 - At an altitude of 12,000 ft, a pilot sees two...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - For the triangle shown, the area is exactly...Ch. 11.4 - For the triangle shown, use the Law of Cosines to...Ch. 11.4 - In the support structure for the Ferris wheel,...Ch. 11.4 - On a baseball diamond a square, the bases are 90ft...Ch. 11.4 - On the baseball diamond, the pitchers mound is...Ch. 11.4 - Show that the form of the Law of Cosines written...Ch. 11.4 - Explain why the area of the parallelogram shown is...Ch. 11.4 - Find the area of MNPQifa=8cm,b=12cm,and=70. Answer...Ch. 11.4 - Find the area of MNPQifa=6.3cm,b=8.9cm,and=67.5....Ch. 11.4 - The sides of a rhombus have length a. Two adjacent...Ch. 11.4 - Two sides of a triangle have measures a inches and...Ch. 11.4 - Use Theorem 11.4.1 to show that the area of an...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - If sin=725, find cos and sec.Ch. 11.CR - If tan=1160, find sec and cot.Ch. 11.CR - If cot=2120, find csc and sinCh. 11.CR - In a right circular cone, the radius of the base...Ch. 11.CT - For the right triangle shown, express each of the...Ch. 11.CT - For the right triangle shown, express each ratio...Ch. 11.CT - Without using a calculator, find the exact value...Ch. 11.CT - Use your calculator to find each number correct to...Ch. 11.CT - Using your calculator, find to the nearest degree...Ch. 11.CT - Without the calculator, determine which number is...Ch. 11.CT - In the drawing provided, find the value of a to...Ch. 11.CT - In the drawing provided, find the value of y to...Ch. 11.CT - In the drawing provided, find the measure of to...Ch. 11.CT - Using the drawing below, classify each statement...Ch. 11.CT - A kite is flying at an angle of elevation of 670...Ch. 11.CT - A roofline shows a span of 12 ft across a sloped...Ch. 11.CT - If sin =12, find: a csc bCh. 11.CT - In a right triangle with acute of measures and ,...Ch. 11.CT - Use one of the three forms for area such as the...Ch. 11.CT - On the basis of the drawing provided, complete the...Ch. 11.CT - On the basis of the drawing provided, complete...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Each apothem of regular pentagon ABCDE has length...

Find more solutions based on key concepts

Show solutions Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified li...

Single Variable Calculus: Early Transcendentals, Volume I

Explain why the function is differentiable at the given point. Then find the linearization L(x, y) of the funct...

Calculus: Early Transcendentals

Let f(x)={xifx03xif0x3(x3)2ifx3 (a) Evaluate each limit, if it exists. (i) limx0+f(x) (ii) limx0f(x) (iii) limx...

Single Variable Calculus

Simplify the algebraic expressions in Problems 15-34 by removing parentheses and combining similar terms. Objec...

Intermediate Algebra

SOC The fraternities and sororities at St. Algebra College have been plagued by declining membership over the p...

Essentials Of Statistics

Combinations of Functions In Exercises 35-38, find (a) f(x)+g(x), (b) f(x)g(x), (c) f(x)g(x), (d) f(x)/g(x), (e...

Calculus: An Applied Approach (MindTap Course List)

Critical Thinking A web site rated 100 colleges and ranked the colleges from 1 to 100, with a rank of 1 being t...

Understanding Basic Statistics

In a sample of n 6 scores, five of the scores are each above the mean by one point. Where is the sixth score l...

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Show that the osculating plane at every point on the curve r(t)=t+2,1t,12t2 is the same plane. What can you con...

Multivariable Calculus

Determine whether the series is convergent or divergent. k1kek

Calculus (MindTap Course List)

Stephens, Atkins, and Kingston (2009) conducted an experiment in which participants were able to tolerate more ...

Statistics for The Behavioral Sciences (MindTap Course List)

Consider the pdf for total waiting time Y for two buses f(y)={125y0y1025125y5y100otherwise introduced in Exerci...

Probability and Statistics for Engineering and the Sciences

Number of Fish Caught A commercial fisherman fishes for haddock, sea bass, and red snapper. He is paid 1.25/lb ...

Precalculus: Mathematics for Calculus (Standalone Book)

Evaluate expressions in Exercises 3756, rounding your answer to four significant digits where necessary. 625

Applied Calculus

Find all possible real solutions of each equation in Exercises 3144. x3x23x+3=0

Finite Mathematics and Applied Calculus (MindTap Course List)

Catenary In Exercises 43 and 44, a model for a power cable suspended between two towers is given. (a) Graph the...

Calculus: Early Transcendental Functions

Construct a difference table to predict the next term of each sequence. 17,15,25,53,105,187,...

Mathematical Excursions (MindTap Course List)

Find the area of each triangle: b=36cm,h=20cm

Elementary Technical Mathematics

Find the domain of the function. a. f(x) = 9x b. f(x) = x+32x2x3

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Solve the equations in Exercises 126. x69x4=0

Finite Mathematics

29. Mortgage The following tables show that a monthly mortgage payment, R, is a function of the amount financed...

Mathematical Applications for the Management, Life, and Social Sciences

Let G= a be a cyclic group of order 24. List all elements having each of the following orders in G. a. 2 b. 3 ...

Elements Of Modern Algebra

Finding Values In Exercises 45-50, find the positive mines of p for which the series converges. n=31n(lnn)[ (ln...

Calculus of a Single Variable

Find all six trigonometric functions of if the given point is on the terminal side of . (In Problem 15, assume...

Trigonometry (MindTap Course List)

Calculate last weeks total gross pay for each of the following employees. Employee Garments Produced Total Gros...

Contemporary Mathematics for Business & Consumers

Write the binomial series expansion of (1 + x)k. What is the radius of convergence of this series?

Single Variable Calculus: Early Transcendentals

A list of poker hands, ranked in order from the highest to the lowest, is shown in the accompanying table along...

Finite Mathematics for the Managerial, Life, and Social Sciences

True or False:
If dz exists at (x, y), then z = f(x, y) is differentiable at (x, y).

Study Guide for Stewart's Multivariable Calculus, 8th

Finding an Equation of a Plane In Exercises39-44, find an equation of the plane that passes through the given p...

Calculus: Early Transcendental Functions (MindTap Course List)

True or False:
converges.

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

Data released by the National Center for Health Statistics showed that the mean age at which women had their fi...

Statistics for Business & Economics, Revised (MindTap Course List)

Of the 6500 students enrolled at a community college, 3000 are part lime and the other 3500 are full time. The ...

Introduction To Statistics And Data Analysis

The following list contains several variables that differentiate college students. a. Select two variables from...

Research Methods for the Behavioral Sciences (MindTap Course List)

Evaluate each sum. k=14(4k+1)2k=14(4k1)2

College Algebra (MindTap Course List)

Finding a Derivative In Exercises 29-40, use the Product I Rule or the Quotient Rule to find the derivative of ...

Calculus (MindTap Course List)

Explain how increasing the size of the sample can influence the outcome of a hypothesis test.

Research Methods for the Behavioral Sciences (MindTap Course List)

Perpendicular Vectors Consider the vector-valued function r(t)=(etsint)i+(etcost)j. Show that r(t) and r(t) are...

Multivariable Calculus

Use the proper order of operations to solve |32+12535(2)5|.

Mathematics For Machine Technology

To lest for any significant difference in the number of hours between breakdowns for four machines, the followi...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Adding Functions A certain function f is the sum of two temperatures, one given by t2+3, and the other given by...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

Unnecessary Medical Care.â€ƒAccording to Readerâ€™s Digest, 42% of primary care doctors think their patients receiv...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

Motor Vehicle Accidents in New York City. In a one-year period, New York City had a total of 11,232 motor vehic...

Essentials Of Statistics For Business & Economics

In each of 14â€”19, (a) find the language accepted by the automaton in the referenced exercise, and (b) find a re...

Discrete Mathematics With Applications

In Exercises 1-4, find the number of days. a.April1 to July10 of the same year. b.April1 through July10 of the ...

Mathematics: A Practical Odyssey

For the following exercises, for each pair of points, a. find the slope of the line passing through the points ...

Calculus Volume 1

Factoring the Difference of Two Squares In Exercises 9-18, completely factor the difference of two squares. x41...

College Algebra

You are peform1ng a hypothesis test of a single population proportion. The data come from which distribution?

Introductory Statistics

In Problems 21 and 22 the indicated function y1(x) is a solution of the given differential equation. Use formul...

A First Course in Differential Equations with Modeling Applications (MindTap Course List)