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22 votes
22 votes
What is the measure of angle a?

What is the measure of angle a?-example-1
User Christian Smith
by
2.5k points

1 Answer

23 votes
23 votes

Answer:

a = 63˚

Explanation:

1. Recognize that any triangle = ∑180˚

2. 180-81-b-a=0

3. 180-117=63˚

User Svyatoslav
by
2.7k points
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