Given the indicated parts of a triangle ABC with γ= 90°, approximate the remaining parts. β = 71° , 51'   b = 240.0

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter11: Introduction To Trigonometry
Section11.2: The Cosine Ratio And Applications
Problem 30E
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Given the indicated parts of a triangle ABC with γ= 90°, approximate the remaining parts. β = 71° , 51'   b = 240.0

 

can you show me the work on how you did it>

that weird symbol is gamma = 90°

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