20. In a spherical triangle ABC, A = 120°, B = 86°, and C = 49°. Find a. A) 127.1° B) 144.9° C) 150.2° D) 131.5°

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 15E: Draw a triangle and, by construction, find its incenter.
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20. In a spherical triangle ABC, A = 120°, B = 86°,
and C = 49°. Find a.
A) 127.1°
B) 144.9°
C) 150.2°
D) 131.5°
Transcribed Image Text:20. In a spherical triangle ABC, A = 120°, B = 86°, and C = 49°. Find a. A) 127.1° B) 144.9° C) 150.2° D) 131.5°
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