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mezya [45]
3 years ago
14

What is the measure of angle a?

Mathematics
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

a = 63˚

Step-by-step explanation:

1. Recognize that any triangle = ∑180˚

2. 180-81-b-a=0

3. 180-117=63˚

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