SOLUTION: help! <A and <B are complimentary. if m<A is four times the m<B, find m<A and m<B.

Algebra ->  Length-and-distance -> SOLUTION: help! <A and <B are complimentary. if m<A is four times the m<B, find m<A and m<B.      Log On


   

Question 334747: help!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB=90
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A=4B
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Substitute into the first equation and solve for B.
4B%2BB=90
5B=90
B=18
Then solve for A.
A=4B=4%2818%29=72
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A is 72 degrees, B is 18 degrees.