BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 7.3, Problem 21E

Textbook Problem

Find the measure of each interior angle of a regular polygon whose central angle measures

a) | 40°. | c) | 45°. |

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 3 to 8, use the drawing provided....Ch. 7.1 - In Exercises 3 to 8, use the drawing provided....Ch. 7.1 - In Exercises 3 to 8, use the drawing provided....Ch. 7.1 - In Exercises 3 to 8, use the drawing provided....Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...

Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 11 to 22, sketch and describe each...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 39 and 42, refer to the line segments...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 39 and 42, refer to the line segments...Ch. 7.1 - Construct the three angle bisectors and then the...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 39 and 42, refer to the line segments...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.1 - In Exercises 39 and 42, refer to the line segments...Ch. 7.1 - Note: Exercises preceded by an asterisk are of a...Ch. 7.2 - Note: Exercise preceded by an asterisk are of a...Ch. 7.2 - Note: Exercises preceded by an asterisk are of a...Ch. 7.2 - Note: Exercises preceded by an asterisk are of a...Ch. 7.2 - a What is the general name of the point of...Ch. 7.2 - a What is the general name of the point of...Ch. 7.2 - Which lines or line segments or rays must be drawn...Ch. 7.2 - Which lines or line segments or rays must be drawn...Ch. 7.2 - a Is it really necessary to construct all three...Ch. 7.2 - Which lines, line segments, or rays are used to...Ch. 7.2 - a To locate the orthocenter, is it necessary to...Ch. 7.2 - To locate the centroid of a triangle, is it...Ch. 7.2 - For what type of triangle are the angle bisectors,...Ch. 7.2 - What point on a right triangle is the circumcenter...Ch. 7.2 - Must the centroid of an isosceles triangle lie on...Ch. 7.2 - Draw a triangle and, by construction, find its...Ch. 7.2 - Draw an acute triangle and, by construction, find...Ch. 7.2 - Draw an obtuse triangle and, by construction, find...Ch. 7.2 - Draw an acute triangle and, by construction, find...Ch. 7.2 - Draw an obtuse triangle and, by construction, find...Ch. 7.2 - Draw an acute triangle and, by construction, find...Ch. 7.2 - Draw an obtuse triangle and, by construction, find...Ch. 7.2 - Is the incenter always located in the interior of...Ch. 7.2 - Is the circumcenter always located in the interior...Ch. 7.2 - Find the length of the radius of the inscribed...Ch. 7.2 - Find the distance from the circumcenter to each...Ch. 7.2 - A triangle has angles measuring 30, 30, and 120....Ch. 7.2 - In MNP, medians MB, NA and PC intersect at...Ch. 7.2 - In MNP, medians MB, NA and PC intersect at...Ch. 7.2 - Given: Isosceles RST RS=RT=17andST=16. Medians RZ,...Ch. 7.2 - Given: Isosceles RST RS=RT=10andST=16. Medians RZ,...Ch. 7.2 - Draw a triangle. Construct its inscribed circle.Ch. 7.2 - Draw a triangle. Construct its circumscribed...Ch. 7.2 - For what type of triangle will be the incenter and...Ch. 7.2 - Does a rectangle have a an incenter? b a...Ch. 7.2 - Does a square have a an incenter? b a...Ch. 7.2 - Does a regular pentagon have a an incenter?.b a...Ch. 7.2 - Does a rhombus have a an incenter? b a...Ch. 7.2 - Does a isosceles trapezoid have a an incenter?.b a...Ch. 7.2 - In ABC, the bisectors of the angle are concurrent...Ch. 7.2 - In ABC, the altitudes are concurrent at point D....Ch. 7.2 - A distributing company plans an Illinois location...Ch. 7.2 - There are plans to locate a disaster response...Ch. 7.2 - A circle is inscribed in an isosceles triangle...Ch. 7.2 - For exercises 44 to 46, O is the inscribed circle...Ch. 7.2 - For exercises 44 to 46, O is the inscribed circle...Ch. 7.2 - For exercises 44 to 46, O is the inscribed circle...Ch. 7.3 - Describe, if possible, how you would inscribe a...Ch. 7.3 - What condition must be satisfied for it to be...Ch. 7.3 - Describe, if possible, how you would inscribe a...Ch. 7.3 - What condition must be satisfied for it to be...Ch. 7.3 - In Exercises 5 to 8, perform constructions....Ch. 7.3 - In Exercises 5 to 8, perform constructions....Ch. 7.3 - In Exercises 5 to 8, perform constructions....Ch. 7.3 - In Exercises 5 to 8, perform constructions....Ch. 7.3 - Find the perimeter of a regular octagon if the...Ch. 7.3 - In a regular polygon with each side of length 6.5...Ch. 7.3 - If the perimeter of a regular dodecagon 12 sides...Ch. 7.3 - If the apothem of a square measures 5 cm, find the...Ch. 7.3 - Find the lengths of the apothem and the radius of...Ch. 7.3 - Find the lengths of the apothem and the radius of...Ch. 7.3 - Find the lengths of the side and the radius of an...Ch. 7.3 - Find the lengths of the side and the radius of a...Ch. 7.3 - Find the measure of a central angle of a regular...Ch. 7.3 - Find the measure of a central angle of a regular...Ch. 7.3 - Find the number of sides of a regular polygon that...Ch. 7.3 - Find the number of sides of a regular polygon that...Ch. 7.3 - Find the measure of each interior angle of a...Ch. 7.3 - Find the measure of each interior angle of a...Ch. 7.3 - Find the measure of each exterior angle of a...Ch. 7.3 - Find the measure of each exterior angle of a...Ch. 7.3 - Find the number of sides for a regular polygon in...Ch. 7.3 - Find the number of sides for a regular polygon in...Ch. 7.3 - Is there a regular polygon for which each central...Ch. 7.3 - If possible, draw an equilateral and concave: a...Ch. 7.3 - If possible, draw an equilateral and concave: a...Ch. 7.3 - Given regular hexagon ABCDEF with each side of...Ch. 7.3 - Given regular octagon RSTUVWXY with each side of...Ch. 7.3 - Given that RSTVQ is a regular pentagon and PQR is...Ch. 7.3 - Given: Regular pentagon RSTVQ with equilateral ...Ch. 7.3 - Given: Regular pentagon JKLMN not shown with...Ch. 7.3 - Is there a regular polygon with 8 diagonals? If...Ch. 7.3 - Is there a regular polygon with 12 diagonals? If...Ch. 7.3 - Find the measure of a central angle of a regular...Ch. 7.3 - Find the measure of a central angle of a regular...Ch. 7.3 - A regular polygon of n sides has an exterior angle...Ch. 7.3 - A regular polygon of n sides has an exterior angle...Ch. 7.3 - A regular polygon of n sides has an interior angle...Ch. 7.3 - A regular polygon of n sides has an interior angle...Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 1 to 6, use the figure shown....Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercise 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 7 to 13, sketch and describe...Ch. 7.CR - In Review Exercises 14 to 17, sketch and describe...Ch. 7.CR - In Review Exercises 14 to 17, sketch and describe...Ch. 7.CR - In Review Exercises 14 to 17, sketch and describe...Ch. 7.CR - In Review Exercises 14 to 17, sketch and describe...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - In Review Exercises 18 to 23, use construction...Ch. 7.CR - Given: ABC with medians AE,CD,BF Find: a BG if...Ch. 7.CR - Given: ABC in Exercise 24 with medians AE,CD,BF...Ch. 7.CR - For a regular pentagon, find the measure of each a...Ch. 7.CR - For a regular decagon 10 sides, find the measure...Ch. 7.CR - In a regular polygon, each central angle measures...Ch. 7.CR - In a regular polygon, the apothem measures 3 in....Ch. 7.CR - Can a circle be circumscribed about each of the...Ch. 7.CR - Can a circle be inscribed in each of the following...Ch. 7.CR - The length of the radius of a circle inscribed in...Ch. 7.CR - The length of the radius of a circle inscribed in...Ch. 7.CR - Sketch the parabola that has directrix d and focus...Ch. 7.CT - Draw and describe the locus of points in the plane...Ch. 7.CT - Draw and describe the locus of points in the plane...Ch. 7.CT - Draw and describe the locus of points in the plane...Ch. 7.CT - Describe the locus of points in a plane that are...Ch. 7.CT - Describe the locus of points in space that are at...Ch. 7.CT - For a given triangle such as ABC, what word...Ch. 7.CT - For a given triangle such as ABC, what word...Ch. 7.CT - In what type of triangle are the angle bisectors,...Ch. 7.CT - Which of the following must be concurrent at an...Ch. 7.CT - Classify as true/false: aA circle can be inscribed...Ch. 7.CT - An equilateral triangle has a radius of length 3...Ch. 7.CT - For a regular pentagon, find the measure of each...Ch. 7.CT - The measure of each central angle of a regular...Ch. 7.CT - For a regular octagon, the length of the apothem...Ch. 7.CT - For a regular hexagon ABCDEF, the length of side...Ch. 7.CT - For rectangle MNPQ, points A, B, C and D are the...Ch. 7.CT - Sketch the parabola that has directrix d and focus...

Find more solutions based on key concepts

Show solutions Approximating a Function Value In Exercises 39-44, approximate the function at the given value of x, using the ...

Calculus: Early Transcendental Functions

Find a research article in any social science journal. Choose an article on a subject of interest to you, and d...

Essentials Of Statistics

Graph the following points: P(4,4),Q(4,4),R(3,0),S(4,0.5),T(0.5,2.5),U(2,0),V(4,4)

Finite Mathematics

For problems 27-54, simplify each of the numerical expressions. Objective 2 and 3 2(1)33(1)2+4(1)5

Intermediate Algebra

For the following set of scores, find the value of each expression: X 1 2 4 1 3 a. X2 b. (X)2 c. (X + 1) d. (X ...

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

The two legs of a right triangle are measured as 5 m and 12 m with a possible error in measurement of at most 0...

Multivariable Calculus

Use transformations to sketch the graph of the function. 12. y=2x

Single Variable Calculus

Calculate each expression in Exercises 124, giving the answer as a whole number or a fraction in lowest terms. ...

Applied Calculus

Determine whether the argument is an example of inductive reasoning or deductive reasoning. Cats dont eat tomat...

Mathematical Excursions (MindTap Course List)

Interpretation Look at graph (b) of Reasons People Like Texting on Cell Phones. Is this a proper bar graph? Exp...

Understanding Basic Statistics

If a ball is thrown into the air with a velocity of 40ft/s, its height in feet t seconds later is given by y=40...

Calculus (MindTap Course List)

Finding Slopes of Lines In Exercises 27-40, find the slope of the line passing through the pair of points. See ...

Calculus: An Applied Approach (MindTap Course List)

Find the rules for the composite functions f g and g f. a. f(x) = 2x 1; g(x) = x2 14 b. f(x) = 2x 1; g(x) =...

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

Exercise 38 introduced two machines that produce wine corks, the first one having a normal diameter distributio...

Probability and Statistics for Engineering and the Sciences

The wall is 10 ft high and the vertical length of the window is 54 in. The center of the window needs to be at ...

Elementary Technical Mathematics

In Problems 15 and 16, find the particular solution to each differential equation.
16.

Mathematical Applications for the Management, Life, and Social Sciences

Wegesin and Stern (2004) found greater consistency (less variability) in the memory performance scores for youn...

Statistics for The Behavioral Sciences (MindTap Course List)

Hypocycloid A circle C of radius b rolls on the inside of a larger circle of radius a centered at the origin. L...

Precalculus: Mathematics for Calculus (Standalone Book)

Find all possible real solutions of each equation in Exercises 3144. x3+6x2+11x+6=0

Finite Mathematics and Applied Calculus (MindTap Course List)

Prove that limxax=aifa0. [Hint:Usexa=xax+a]

Single Variable Calculus: Early Transcendentals, Volume I

Use series to evaluate the limit. 62. limx01cosx1+xex

Calculus: Early Transcendentals

Calculate the accrued interest and the total proceeds of the following bond sales.
Company Coupon Kate Market P...

Contemporary Mathematics for Business & Consumers

Show that the ideal I in Exercise 2 is a prime ideal of R. Exercise 2 Let R be as in Exercise 1, and show that ...

Elements Of Modern Algebra

Find y if the point (5, y) is on the terminal side of and cos=513.

Trigonometry (MindTap Course List)

Finding a Maclaurin Series In Exercises 27-40, find the Maclaurin series for the function. Use the table of pow...

Calculus of a Single Variable

A cube with 20-cm-long sides is sitting on the bottom of an aquarium in which the water is one meter deep. Find...

Single Variable Calculus: Early Transcendentals

Let A={2,4,6,8} and B={6,7,8,9,10}. Compute: a. n(A) b. n(B) c. n(AB) d. n(AB)

Finite Mathematics for the Managerial, Life, and Social Sciences

Finding a Derivative of a Transcendental Function In Exercises 43-60. find the derivative of the transcendental...

Calculus: Early Transcendental Functions (MindTap Course List)

For y = f (u) and u = g(x), dydx=dydududx.

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

The absolute minimum of f(x, y) = 40 − 3x2 − 2y2 with domain D = {(x, y)| −2 ≤ x ≤ 3, −1 ≤ y ≤ 2} is:
0
5
12
40...

Study Guide for Stewart's Multivariable Calculus, 8th

Based on data from a survey of 1200 randomly selected Facebook users (USA TODAY, March 24, 2010), the following...

Introduction To Statistics And Data Analysis

Area of a Lune The crescent shaped region bounded by two circles forms a lune (see figure).Find the area of the...

Calculus (MindTap Course List)

Explain the basic distinction between probability sampling methods and nonprobability sampling methods and reco...

Research Methods for the Behavioral Sciences (MindTap Course List)

A regression model relating x, number of salespersons at a branch office, to y, annual sales at the office (in ...

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

Determine the roots of the following terms. 27x6y123

Mathematics For Machine Technology

Evaluating a Line Integral In Exercises 19-22, evaluate the line integral along the given path. C3(xy)dsC:r(t)=...

Multivariable Calculus

Describe the two general problems (observer influence and subjectivity) that can exist with behavioral observat...

Research Methods for the Behavioral Sciences (MindTap Course List)

Formulas The area A of a rectangle is determined by the length and width. If the length of a rectangle is x inc...

College Algebra (MindTap Course List)

The general fund budget for the state of Kentucky for 1988 (period 1) to 2011 (period 24) follows (Northern Ken...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Reminder Round all answers to two decimal places unless otherwise indicated. Population Growth Here is one mode...

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

The following results come from two independent random samples taken of two populations.
What is the point est...

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

In Exercises 1-10, a find the dimensions of the given matrix and b determine whether the matrix is a row matrix...

Mathematics: A Practical Odyssey

A recurrence relation is an equation that defines each later term of a sequence by reference to in the sequence...

Discrete Mathematics With Applications

In exercise 1, the following estimated regression equation based on 10 observations was presented. = 29.1270 +...

Essentials Of Statistics For Business & Economics

Solving an Equation In Exercises 25-32, solve the equation and check your solution. (If not possible, explain w...

College Algebra

In Problems 130 use appropriate algebra and Theorem 7.2.1 to find the given inverse Laplace transform. 14. 1{14...

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

What does the shaded area represent? P(______ Figure 5.41

Introductory Statistics