SOLUTION: if angle A and angle B are complementary; but angle A is four times as large as angle B, find measure of angle A.

SOLUTION: if angle A and angle B are complementary; but angle A is four times as large as angle B, find measure of angle A.

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Question 499306: if angle A and angle B are complementary; but angle A is four times as large as angle B, find measure of angle A.
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
If angle A and angle B are complementary, A+B = 90.
A = 4*B
.
Substitute.
4*B + B = 90
5B = 90
B = 18
.
So,
A = 72
.
Check your work!
4*18 = 72
OK.
.
Answer: Angle A is 72 degrees.
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