Question

Find the measure of a.

Answer 1

a = 37 degrees

Explanation:

81+62 = 143

We know that all angles of a triangle = 180 degrees

180-143= 37 degrees

a = 37 degrees

Answer 2

a = 37

Explanation:

the sum of any triangle angles is 180

then 62 + 81 + a = 180

a = 37

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