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What is the measure of angle a?

What is the measure of angle a?-example-1
User Sharika
by
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1 Answer

3 votes

Answer:

a = 63˚

Explanation:

1. Recognize that any triangle = ∑180˚

2. 180-81-b-a=0

3. 180-117=63˚

User MushyPeas
by
4.3k points