SOLUTION: <D and <E are complements and <D and <F are supplements. If m<E is three times the m<D, find the measure of all three angles. I don't know how to set this up and solve it.

Algebra ->  Angles -> SOLUTION: <D and <E are complements and <D and <F are supplements. If m<E is three times the m<D, find the measure of all three angles. I don't know how to set this up and solve it.      Log On


   

Question 898167:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.D%2BE=90
2.D%2BF=180
3.E=3D
Use 1 and 3 to solve for E and D substituting for E in 1.
Then use 2 to solve for F.