Question

What is the measure of angle b?

A. 36⁰

B. 117⁰

C.63⁰

D. 56⁰
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Answer 1

A

Explanation:

180⁰= a+b+81⁰

a=180⁰-117⁰=63⁰

b=180⁰-63⁰-81⁰=36⁰