Question: Solve for x if (a) A and B are A = (x + 20) and B = (3x 2). (a) Complementary angles; (b) Alternate-interior

Solve for x if (a) ∠A and ∠B are ∠A = (x + 20)° and ∠B = (3x − 2)°. 

(a) Complementary angles; 

(b) Alternate-interior angles.

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a Complementary angles add up to 90 so A B x 20 3x 2 90 4x 18 90 ... View full answer

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