SOLUTION: Angles A and B are both supplementary angles. Angle B is 4 times the complement of angle A. What is the complement of angle B?

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Question 859049: Angles A and B are both supplementary angles. Angle B is 4 times the complement of angle A. What is the complement of angle B?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Let A represent one angle and 4(90°-A) angle B   

Question States***angles are supplementary:  sum 180°

 A + 4(90°-A) = 180°

    -3A = -180°

      A = 60°.  B = 30°

Complement of Angle B = 60°   (their sum 90°)