Solve for x if (a) A and B are A = (x + 20) and B =

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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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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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