Question

A = 6 - 35 B = 3x + 53
Solve for x then find the measure of A.

Answer 1

A = 73°

Explanation:

A + B = 180 because of alternating interior angles

Substitute each angle

6x - 35 + 3x + 53 = 180

9x + 18 = 180

9x = 162

x = 18

Substitute A

A = 6x - 35

A = 108 - 35

A = 73

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