SOLUTION: The measure of angle A is nine more than the measure of angle B. If angle A and B are supplementary angles, then what is the measure of and A ?? pls reply as soon as possible ,

Question 623152: The measure of angle A is nine more than the measure of angle B.
If angle A and B are supplementary angles, then what is the measure of and A ??
pls reply as soon as possible ,,,
thank you..
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
Supplementary angles add to 180 degrees. So A+B=180.

A is 9 more than B. So A= B+9.

B+9+B=180

2B=171

B=85.5 and thus A = 94.5 degrees.

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