3. Polygon B is a scaled copy of Polygon A. a. What is the scale factor from Polygon A to Polygon B? Explain your reasoning. b. Find the missing length of each side marked with ? in Polygon B. c. Determine the measure of each angle marked with? in Polygon A. B A 2 Unit 1, Lesson 2 1.5 2.5 ? ? 5 82° 2.5 53⁰ ?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.4: The Angles Of A Triangle
Problem 42E
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Question
20
3. Polygon B is a scaled copy of Polygon A.
a. What is the scale factor from Polygon A to
Polygon B? Explain your reasoning.
b. Find the missing length of each side marked
with? in Polygon B.
c. Determine the measure of each angle marked
with? in Polygon A.
b. 8+.
c. 21 ÷
= 40
4. Complete each equation with a number that makes it true.
a. 8.
= 40
11
7
d. 21 - ____________ = 7
B
e. 21. = 7
A
?
Unit 1, Lesson 2
1.5
2.5
?
?
5
82⁰
2.5
53⁰
?
Transcribed Image Text:20 3. Polygon B is a scaled copy of Polygon A. a. What is the scale factor from Polygon A to Polygon B? Explain your reasoning. b. Find the missing length of each side marked with? in Polygon B. c. Determine the measure of each angle marked with? in Polygon A. b. 8+. c. 21 ÷ = 40 4. Complete each equation with a number that makes it true. a. 8. = 40 11 7 d. 21 - ____________ = 7 B e. 21. = 7 A ? Unit 1, Lesson 2 1.5 2.5 ? ? 5 82⁰ 2.5 53⁰ ?
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