21-01-2021
Mathematics

contestada

What is the measure of angle b?

A.
36°

B.
56°

C.
63°

D.
117°

What is the measure of angle b A 36 B 56 C 63 D 117 class=

Respuesta :

eksbunny eksbunny

21-01-2021

Answer:

A. 36*

Step-by-step explanation:

first find angle a:

180-117=63

a=63

then find angle b by subtracting 81 and 63 from 180

180-81=99

99-63=36

angle b = 36

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