16. If the sum of the 2 interior angles of any triangle is 120, what is the measure of the third angle? A. 80® 17. Find the measure of the unknown angle found at the right figure. A. 100 B. 120 C. 105° B. 90 C. 60° D. 45° 85 D. 90° 100 70 f tho interior an
16. If the sum of the 2 interior angles of any triangle is 120, what is the measure of the third angle? A. 80® 17. Find the measure of the unknown angle found at the right figure. A. 100 B. 120 C. 105° B. 90 C. 60° D. 45° 85 D. 90° 100 70 f tho interior an
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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Transcribed Image Text:16. If the sum of the 2 interior angles of any triangle is 120, what is the measure of the third angle?
A. 80°
17. Find the measure of the unknown angle found at the right figure.
B. 90
C. 60
D. 45
A. 100
В. 120°
С. 105°
D. 90®
85®
100°
70®
6 tho interior ang
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