236 CHAPTER 5 SIMILAR TRIANGLES In Exercises 21 to 24, AADE ДАВС. 21. Given: DE = 4, AE = 6, ЕС - ВС Find: ВС 22. Given: DE : 5, AD = 8, DB = BC %3D Find: AB (HINT: Find DB first.) B 23. Given: DE 4, АC 20, EC ВС %3D ВС limia or nol AD = Find: 24. Given: 4, AC = 18, DB AE C E A Find: AE Exercises 21-24
236 CHAPTER 5 SIMILAR TRIANGLES In Exercises 21 to 24, AADE ДАВС. 21. Given: DE = 4, AE = 6, ЕС - ВС Find: ВС 22. Given: DE : 5, AD = 8, DB = BC %3D Find: AB (HINT: Find DB first.) B 23. Given: DE 4, АC 20, EC ВС %3D ВС limia or nol AD = Find: 24. Given: 4, AC = 18, DB AE C E A Find: AE Exercises 21-24
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Questions #21
Transcribed Image Text:236
CHAPTER 5 SIMILAR TRIANGLES
In Exercises 21 to 24, AADE
AABC.
21. Given:
DE = 4, AE =
6, ЕС -
ВС
Find:
ВС
22. Given:
DE
5, AD
= 8, DB = BC
%3D
Find:
АВ
(HINT: Find DB first.)
B
23. Given:
DE
4, AC
20,
EC
ВС
ВС
imia orl
AD =
Find:
24. Given:
4, AC = 18,
DB
= AE
C
E
Find:
AE
Exercises 21-24
25. Pentagon ABCDE
6, and GH
pentagon GHJKL (not shown),
9. If the perimeter of ABCDE is 50,
~
AB
find the perimeter of GHJKL.
26. Quadrilateral MNPQ
PQ = 5, and YZ
length 8, find the length of the longest side of WXYZ.
quadrilateral WXYZ (not shown),
7. If the longest side of MNPQ is of
27. A blueprint represents the 72-ft length of a building by a line
segment of length 6 in. What length on the blueprint would
be used to represent the height of this 30-ft-tall building?
28. A technical drawing shows the 35-ft lengths of the legs of
a baby's swing by line segments 3 in. long. If the diagram
should indicate the legs are 2, ft apart at the base, what length.
100 on the diagram?
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