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GeometryElementary Geometry for College StudentsIn Exercises 29 to 32, use the fact that triangles are similar. A person who is while walking away from a 10 -ft lamppost casts a shadow 6 ft long. If the person is at a distance of 10 ft from the lamppost at that moment, what is the person’s height?BuyFind*arrow_forward*

6th Edition

Daniel C. Alexander + 1 other

Publisher: Cengage Learning

ISBN: 9781285195698

Chapter 5.2, Problem 29E

Textbook Problem

*In Exercises 29 to 32, use the fact that triangles are similar.*

A person who is while walking away from a

Elementary Geometry for College Students

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Ch. 5.1 - In Exercises 1 to 4, give the ratios in simplified...Ch. 5.1 - In Exercises 1 to 4, give the ratios in simplified...Ch. 5.1 - In Exercises 1 to 4, give the ratios in simplified...Ch. 5.1 - In Exercises 1 to 4, give the ratios in simplified...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...

Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - In Exercises 5 to 14, find the value of x in each...Ch. 5.1 - Sarah ran the 300-m hurdles in 47.7 sec. In meters...Ch. 5.1 - Fran has been hired to sew the dance troupes...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - In Exercises 17 to 22, use proportions to solve...Ch. 5.1 - The salaries of a secretary, a salesperson, and a...Ch. 5.1 - The salaries of a school cook, custodian, and bus...Ch. 5.1 - If the measures of the angles of a quadrilateral...Ch. 5.1 - If the measures of the angles of a quadrilateral...Ch. 5.1 - The measures of two complementary angles are in...Ch. 5.1 - The measures of two supplementary angles are in...Ch. 5.1 - If 1 in. equals 2.54 cm, use a proportion to...Ch. 5.1 - If 1 kg equals 2.2 lb, use a proportion to convert...Ch. 5.1 - For the quadrilaterals shown, MNWX=NPXY=PQYZ=MQWZ....Ch. 5.1 - For this exercise, use the drawing and extended...Ch. 5.1 - Two numbers a and b are in the ratio 3:4. If the...Ch. 5.1 - Two numbers a and b are in the ratio 2:3. If both...Ch. 5.1 - If the ratio of the measure of the complement of...Ch. 5.1 - If the ratio of the measure of the complement of...Ch. 5.1 - On a blueprint, a 1-in. scale corresponds to 3 ft....Ch. 5.1 - To find the golden ratio see the Discover activity...Ch. 5.1 - Find a the exact length of an ideal rectangle with...Ch. 5.1 - Prove: If ab=cd where a, b, c and d are nonzero,...Ch. 5.1 - Prove: If ab=cd where b0 and d0, then a+bb=c+dd.Ch. 5.2 - a What is true of any pair of corresponding angles...Ch. 5.2 - a Are any two quadrilaterals similar? b Are any...Ch. 5.2 - a Are any two regular pentagons similar? b Are any...Ch. 5.2 - a Are any two equilateral hexagons similar? b Are...Ch. 5.2 - In Exercises 5 and 6, refer to the drawing. a...Ch. 5.2 - In Exercises 5 and 6, refer to the drawing. a If...Ch. 5.2 - A sphere is the three-dimensional surface that...Ch. 5.2 - Given that rectangle ABCE is similar to rectangle...Ch. 5.2 - Given: MNPQRS,mM=56,mR=82,MN=9,QR=6,RS=7,MP=12...Ch. 5.2 - Given: ABCPRC,mA=67,PC=5,CR=12,PR=13,AB=26 Find: a...Ch. 5.2 - a Does the similarity relationship have a...Ch. 5.2 - Using the names of property from Exercise 11,...Ch. 5.2 - If the drawing, HJKFGK. If HK=6,KF=8, and HJ=4,...Ch. 5.2 - If the drawing, HJKFGK. If HK=6,KF=8, and FG=5,...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If mA=55,...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If...Ch. 5.2 - Quadrilateral ABCD quadrilateral HJKL. If...Ch. 5.2 - In Exercises 21 to 24, ADEABC. Given:...Ch. 5.2 - In Exercises 21 to 24, ADEABC. Given:...Ch. 5.2 - In Exercises 21 to 24, ADEABC. Given:...Ch. 5.2 - In Exercises 21 to 24, ADEABC. Given:...Ch. 5.2 - Pentagon ABCDE pentagon GHJKL not shown, AB=6, and...Ch. 5.2 - Quadrilateral MNPQ quadrilateral WXYZ not shown,...Ch. 5.2 - A blueprint represents the 72-ft length of a...Ch. 5.2 - A technical drawing shows the 312 ft lengths of...Ch. 5.2 - In Exercises 29 to 32, use the fact that triangles...Ch. 5.2 - In Exercise 29 to 32, use the fact that triangles...Ch. 5.2 - In Exercise 29 to 32, use the fact that triangles...Ch. 5.2 - In Exercise 29 to 32, use the fact that triangles...Ch. 5.2 - In the drawing, ABDCEF with transversals l and m....Ch. 5.2 - In the drawing, ABDCEF. Suppose that transversals...Ch. 5.2 - Given ABC, a second triangle (XTN) is constructed...Ch. 5.2 - Given RST, a second triangle (UVW) is constructed...Ch. 5.2 - Henry watches his 32" diagonal LCD television...Ch. 5.2 - Use D=4.3V to find the ideal viewing distance V...Ch. 5.2 - For Exercises 39 to 40, use intuition to from a...Ch. 5.2 - For Exercises 39 to 40, use intuition to from a...Ch. 5.3 - What is the acronym that is used to represent each...Ch. 5.3 - What is the acronym that is used to represent each...Ch. 5.3 - Classify as true or false: a If the vertex angles...Ch. 5.3 - Classify as true or false: a If the midpoints of...Ch. 5.3 - In Exercises 5 to 8, name the method...Ch. 5.3 - In Exercises 5 to 8, name the method...Ch. 5.3 - In Exercises 5 to 8, name the method...Ch. 5.3 - In Exercises 5 to 8, name the method...Ch. 5.3 - In Exercises 9 to 12, name the method that...Ch. 5.3 - In Exercises 9 to 12, name the method that...Ch. 5.3 - In Exercises 9 to 12, name the method that...Ch. 5.3 - In Exercises 9 to 12, name the method that...Ch. 5.3 - In Exercises 13 to 16, provide the missing...Ch. 5.3 - In Exercises 13 to 16, provide the missing...Ch. 5.3 - In Exercises 13 to 16, provide the missing...Ch. 5.3 - In Exercises 13 to 16, provide the missing...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 17 to 24, complete each proof. Given:...Ch. 5.3 - In Exercises 25 to 28, ABCDBE Exercises 25-28...Ch. 5.3 - In Exercises 25 to 28, ABCDBE Exercises 25-28...Ch. 5.3 - In Exercises 25 to 28, ABCDBE Exercises 25-28...Ch. 5.3 - In Exercises 25 to 28, ABCDBE Exercises 25-28...Ch. 5.3 - CDECBA with CDEB. If CD=10,DA=8 and CE=6, find EB....Ch. 5.3 - CDECBA with CDEB. If CD=10,CA=16 and EB=12, find...Ch. 5.3 - ABFCBD with obtuse angles at vertices D and F as...Ch. 5.3 - ABFCBD with obtuse angles at vertices D and F as...Ch. 5.3 - In Exercise 33, provide a two-column proof....Ch. 5.3 - In Exercise 34, provide a paragraph proof. Given:...Ch. 5.3 - Use a two-column proof to prove the following...Ch. 5.3 - Provide a paragraph proof for the following...Ch. 5.3 - Use the result of Exercise 13 to do the following...Ch. 5.3 - Use the result of Exercise 13 to do the following...Ch. 5.3 - The distance across a pond is to be measured...Ch. 5.3 - In the figure, ABCADB. Find AB if AD=2 and DC=6.Ch. 5.3 - Prove that the altitude drawn to the hypotenuse of...Ch. 5.3 - Prove that the line segment joining the midpoints...Ch. 5.3 - The vertices of rhombus ARST lie on ABC as shown....Ch. 5.4 - By naming the vertices in order, state three...Ch. 5.4 - Use theorem 5.4.2 to form a proportion in which SV...Ch. 5.4 - Use theorem 5.4.3 to form a proportion in which RS...Ch. 5.4 - Use theorem 5.4.3 to form a proportion in which TS...Ch. 5.4 - Use theorem 5.4.2 to find RV if SV=6 and VT=8....Ch. 5.4 - Use theorem 5.4.3 to find RT if RS=6 and VR=4....Ch. 5.4 - Find the length of DF if: a DE=8 and EF=6. b DE=5...Ch. 5.4 - Find the length of DE if: a DF=13 and EF=5. b...Ch. 5.4 - Find EF if: a DF=17 and DE=15. b DF=12 and DE=82....Ch. 5.4 - Find DF if: a DE=12 and EF=5 b DF=12 and EF=6....Ch. 5.4 - Determine whether each triple (a,b,c) is a...Ch. 5.4 - Determine whether each triple (a,b,c) is a...Ch. 5.4 - Determine the type of triangle represented if the...Ch. 5.4 - Determine the type of triangle represented if the...Ch. 5.4 - A guy wire 25 ft long supports an antenna at a...Ch. 5.4 - A strong wind holds a kite 30 ft above the earth...Ch. 5.4 - A boat is 6 m below the level of a pier and 12 m...Ch. 5.4 - A hot-air balloon is held in place by the ground...Ch. 5.4 - A drawbridge that is 104 ft in length is raised at...Ch. 5.4 - A drawbridge that is 136 ft in length is raised at...Ch. 5.4 - A rectangle has a width of 16 cm and a diagonal of...Ch. 5.4 - A right triangle has legs of lengths x and 2x2 and...Ch. 5.4 - A rectangle has base length x3, altitude length...Ch. 5.4 - The diagonals of a rhombus measure 6 m and 8 m....Ch. 5.4 - Each side of a rhombus measure 12 in. If one...Ch. 5.4 - An isosceles right triangle has a hypotenuse of...Ch. 5.4 - Each leg of an isosceles right triangle has a...Ch. 5.4 - In right ABC with right C, AB=10 and BC=8. Find...Ch. 5.4 - In right ABC with right C, AB=17 and BC=15. Find...Ch. 5.4 - Find the length of the altitude to the 10-in. side...Ch. 5.4 - Find the length of the altitude to the 26-in. side...Ch. 5.4 - In quadrilateral ABCD, BCAB and DC diagonal AC. If...Ch. 5.4 - In quadrilateral RSTU, RSST and UT diagonal RT. If...Ch. 5.4 - Given: ABC is not a right Prove: a2+b2c2 Note: AB...Ch. 5.4 - If a=p2q2,b=2pq and c=p2+q2, show that c2=a2+b2.Ch. 5.4 - Given that the line segment shown has a length 1,...Ch. 5.4 - Using the line segment from Exercise 36, construct...Ch. 5.4 - When the rectangle in the accompanying drawing...Ch. 5.4 - A, C and F are three of the vertices of the cube...Ch. 5.4 - Find the length of the altitude to the 8-in side...Ch. 5.4 - In the figure, square RSTV has its vertices on the...Ch. 5.4 - Prove that if (a,b,c) is a Pythagorean triple and...Ch. 5.4 - Use Figure 5.19 to prove Theorem 5.4.2. Theorem...Ch. 5.4 - Use Figures 5.20 and 5.21 to prove Lemma 5.4.3....Ch. 5.4 - For quadrilateral ABCD,AC and BD are diagonals....Ch. 5.5 - For the 45-45-90 triangle shown, suppose that...Ch. 5.5 - For the 45-45-90 triangle shown, suppose that...Ch. 5.5 - For the 30-60-90 triangle shown, suppose that...Ch. 5.5 - For the 30-60-90 triangle shown, suppose that...Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 5 to 22, find the missing lengths....Ch. 5.5 - In Exercises 15 to 19, create drawings as needed....Ch. 5.5 - In Exercises 15 to 19, create drawings as needed....Ch. 5.5 - In Exercises 15 to 19, create drawings as needed....Ch. 5.5 - In Exercises 15 to 19, create drawings as needed....Ch. 5.5 - In Exercises15 to 19, create drawing as needed....Ch. 5.5 - Given: NQM with angles as shown in the drawing...Ch. 5.5 - Given: XYZ with angles as shown in the drawing...Ch. 5.5 - Given: Rhombus ABCD not shown in which diagonals...Ch. 5.5 - A carpenter is working with a board that is 334...Ch. 5.5 - To unload groceries from a delivery truck at the...Ch. 5.5 - A jogger runs along two sides of an open...Ch. 5.5 - Maras boat leaves the dock at the same time that...Ch. 5.5 - In Exercises 27 to 33, give both exact solutions...Ch. 5.5 - In Exercises 27 to 33, give both exact solutions...Ch. 5.5 - Prob. 29ECh. 5.5 - Prob. 30ECh. 5.5 - In Exercises 27 to 33, give both exact solutions...Ch. 5.5 - In Exercises 27 to 33, give both exact solutions...Ch. 5.5 - In Exercises 27 to 33, give both exact solutions...Ch. 5.5 - Note: Exercises preceded by an asterisk are of a...Ch. 5.5 - In regular hexagon ABCDEF, AB=6 inches. Find the...Ch. 5.5 - In regular hexagon ABCDEF, the length of AB is x...Ch. 5.5 - In right triangle XYZ, XY=3 and YZ=4. Where V is...Ch. 5.5 - Diagonal EC separates pentagon ABCDE into square...Ch. 5.6 - Note: Exercises preceded by an asterisk are of a...Ch. 5.6 - Note: Exercises preceded by an asterisk are of a...Ch. 5.6 - Given that ABEF=BCFG=CDGH, are the following...Ch. 5.6 - Given that XYTS, are the following proportion...Ch. 5.6 - Given: l1l2l3l4,AB=5,BC=4,CD=3,EH=10 Find:...Ch. 5.6 - Given: l1l2l3l4,AB=7,BC=5,CD=4,EF=6 Find: FG,GH,EHCh. 5.6 - Given: l1l2l3,AB=4,BC=5,DE=x,EF=12x Find: x,DE,EFCh. 5.6 - Given: l1l2l3,AB=5,BC=x,DE=x2,EF=7 Find: x,BC,DECh. 5.6 - Given: DEBC,AD=5,DB=12,AE=7 Find: ECCh. 5.6 - Given: DEBC,AD=6,DB=10,AC=20 Find: ECCh. 5.6 - Given: DEBC,AD=a1,DB=2a+2,AE=a,EC=4a5 Find: aandADCh. 5.6 - Given: DEBC,AD=5,DB=a+3,AE=a+1,EC=3(a1) Find:...Ch. 5.6 - Given: RW bisects SRT Do the following equalities...Ch. 5.6 - Given: RW bisects SRT Do the following equalities...Ch. 5.6 - Given: UT bisects WUV,WU=8,UV=12,WT=6 Find: TVCh. 5.6 - Given: UT bisects WUV,WU=9,UV=12,WV=9 Find: WTCh. 5.6 - Given: NQ bisects MNP,NP=MQ,QP=8,MN=12 Find: NPCh. 5.6 - Exercises 18 and 19 are based on a theorem not...Ch. 5.6 - Exercises 18 and 19 are based on a theorem not...Ch. 5.6 - Given: In ABC,AD bisects BAC AB=20 and AC=16 Find:...Ch. 5.6 - In ABC,ACB is trisected by CD and CE so that 123....Ch. 5.6 - In ABC,mCAB=80,mACB=60,andABC=40. With the angle...Ch. 5.6 - In ABC,AC=5.3,BC=7.2 and BA=6.7. With angle...Ch. 5.6 - In right RST not shown with right S,RV bisects SRT...Ch. 5.6 - Given: RV bisects SRT, RS=x6,SV=3, RT=2x, and...Ch. 5.6 - Given: MR bisects NMP, MN=2x,NR=x, RP=x+1, and...Ch. 5.6 - Given point D in the interior of RST, which...Ch. 5.6 - In RST, suppose that RH,TG, and SK are medians....Ch. 5.6 - Given point D in the interior of RST, suppose that...Ch. 5.6 - Given point D in the interior of RST, suppose that...Ch. 5.6 - Complete the proof on page 257 of this property:...Ch. 5.6 - Given: RST, with XYRT and YZRS Prove: RXXS=ZTRZCh. 5.6 - Use Theorem 5.6.1 and the drawing to complete the...Ch. 5.6 - Use Exercise 33 and the following drawing to...Ch. 5.6 - Use Theorem 5.6.3 to complete the proof of this...Ch. 5.6 - In right ABC not shown with right C,AD bisects BAC...Ch. 5.6 - Given: ABC not shown is isosceles with...Ch. 5.6 - Given: RST with right RST; mR=30 and ST=6; RST is...Ch. 5.6 - In the figure, the angle bisectors of ABC...Ch. 5.6 - In RST, the altitudes of the triangle intersect at...Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Answer true or false for review Exercises 1 to 7....Ch. 5.CR - Find the values of x in each proportion: a x6=3x c...Ch. 5.CR - Use proportions to solve Review Exercises 9 to 11....Ch. 5.CR - Use proportions to solve Review Exercises 9 to 11....Ch. 5.CR - Use proportions to solve Review Exercises 9 to 11....Ch. 5.CR - The ratio of the measures of sides of a...Ch. 5.CR - The length and width of a rectangle are 18 and 12,...Ch. 5.CR - The length of the sides of a triangle are 6, 8 and...Ch. 5.CR - The ratio of the measure of the supplement of an...Ch. 5.CR - Name the method AA, SSS, or SAS that is used to...Ch. 5.CR - Given: ABCD is a parallelogram. DB intersects AE...Ch. 5.CR - Given:12. Prove: ABAC=BECDCh. 5.CR - Given: ABC~DEF not shown A=50,E=33D=2x+40 Find:...Ch. 5.CR - Given: InABC~DEF(notshown) not shown...Ch. 5.CR - For Review Exercises 21 to 23, DEAC...Ch. 5.CR - For Review Exercises 21 to 23, DEAC...Ch. 5.CR - For Review Exercises 21 to 23, DEAC...Ch. 5.CR - For Review Exercises 24 to 26, GJ bisects FGH...Ch. 5.CR - For Review Exercises 24 to 26, GJ bisects FGH...Ch. 5.CR - For Review Exercises 24 to 26, GJ bisects FGH...Ch. 5.CR - Given:...Ch. 5.CR - Prove that if a line bisects one side of a...Ch. 5.CR - Prove that the diagonals of a trapezoid divide...Ch. 5.CR - Given: ABCwithrightBACADBC...Ch. 5.CR - Given: ABCwithrightBACADBC...Ch. 5.CR - In drawings shown, find x.Ch. 5.CR - Given:...Ch. 5.CR - Find the length of a diagonal of a square whose...Ch. 5.CR - Find the length of a side of a square whose...Ch. 5.CR - Find the length of a side of a rhombus whose...Ch. 5.CR - Find the length of an altitude of an equilateral...Ch. 5.CR - Find the length of a side of an equilateral...Ch. 5.CR - The length of the three sides of a triangle are...Ch. 5.CR - In the drawings, find x and y.Ch. 5.CR - An observation aircraft flying at a height of 12...Ch. 5.CR - Tell whether each set of numbers represents the...Ch. 5.CT - Reduce to its simplest form: a The ratio...Ch. 5.CT - Solve each proportion for x. a...Ch. 5.CT - The measures of two complementary angles are in...Ch. 5.CT - RTS~UWV. a Find m W if m R=67 and m S=21....Ch. 5.CT - Give the reason AA, SAS, or SSS why RTS~UTW. a RU...Ch. 5.CT - In right triangle ABC,CD- is the altitude from C...Ch. 5.CT - In ABC,mC=90. Use a square root radical to...Ch. 5.CT - Given its lengths of sides, is RST a right...Ch. 5.CT - Given quadrilateral ABCD with diagonal AC-. If...Ch. 5.CT - In XYZ,XZ-YZ- and Z is a right angle. a Find XY if...Ch. 5.CT - In DEF,D is a right angle and m F=30. a Find DE if...Ch. 5.CT - In ABC,DE||BC-. If AD = 6, DB = 8, and AE = 9,...Ch. 5.CT - In MNP,NQ bisects MNP. If PN = 6, MN = 9, and MP =...Ch. 5.CT - For ABC, the three angle bisectors are shown. Find...Ch. 5.CT - Given: 1C; M is the midpoint of BC-;CM=MB=6 and...Ch. 5.CT - In Exercises 16 and 17, complete the statements...Ch. 5.CT - In Exercises 16 and 17, complete the statements...

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Suppose that in a group of five people A,B,C,D, and E the following pairs of people are acquainted with each ot...

Discrete Mathematics With Applications

42. A Gallup Poll showed that 30% of Americans are satisfied with the way things are going in the United States...

Essentials Of Statistics For Business & Economics

The random variable x is known to be uniformly distributed between 10 and 20.
Show the graph of the probability...

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

If f(x)=1x(x3), find the domain of f.

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

In Problems 45 and 46 use Problem 55 in Exercises 1.1 and (2) and (3) of this section. Find a function y = f(x)...

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