SOLUTION: Two angles are supplementary. The measure of one is four-fifths the measure of the other. Find the measure of each angle.

Algebra ->  Angles -> SOLUTION: Two angles are supplementary. The measure of one is four-fifths the measure of the other. Find the measure of each angle.      Log On


   

Question 894320: Two angles are supplementary. The measure of one is four-fifths the measure of the other. Find the measure of each angle.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Two angles are supplementary.
A + B = 180
The measure of one is four-fifths the measure of the other.
B = .8A
therefore
A + .8A = 180
1.8A = 180
A = 180/1.8
A = 100 degrees
:
Find the measure of each angle. I'll let you find B