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What is the measure of a?

What is the measure of a?-example-1
User MobX
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2 Answers

3 votes

Answer:

a=129

Explanation:

the angles are complementary which is is 180

51+a=180

a=180-51

a=129

User Gliemezis
by
5.3k points
1 vote
The answer is 129 because the opposite corners of a quadrilateral has to equal 180°
User Kendrick Li
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