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What are the measures of ∠A and ∠B?

What are the measures of ∠A and ∠B?-example-1

1 Answer

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Answer:

A = 51

B = 51

Explanation:

ANGLE A

angle D= 180 - 98 = 82

angle C 180-102-31 = 47

angle D (82) + angle C (47) = 129 degrees

180 - 129 = 51

ANGLE B

angle D = 98

angle C = 31

98 + 31 = 129

180 - 129 = 51

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