9. Given that the lines in Figure 10.34 marked with arrows are parallel, determine the sum of the an- gles a + b + c without measuring. 0.1007 Figure 10.33 A rectangle subdivided into four triangles. a tot b C LAT Figure 10.34 What is the sum of the marked angles?

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
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9. Given that the lines in Figure 10.34 marked with
arrows are parallel, determine the sum of the an-
gles a + b + c without measuring.
FRACR
a'dnes
Figure 10.33 A rectangle
subdivided into four
triangles.
b
b
on Figure 10.34
Figure
C
Jar
10.34 What is the
sum of the marked angles?
Transcribed Image Text:9. Given that the lines in Figure 10.34 marked with arrows are parallel, determine the sum of the an- gles a + b + c without measuring. FRACR a'dnes Figure 10.33 A rectangle subdivided into four triangles. b b on Figure 10.34 Figure C Jar 10.34 What is the sum of the marked angles?
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