SOLUTION: I could use some help on this problem please.Thanks in advance. ∠DEF and ∠ABC are supplementary angles and ∠DEF is eight times as large as ∠ABC. Determin

Algebra ->  Angles -> SOLUTION: I could use some help on this problem please.Thanks in advance. ∠DEF and ∠ABC are supplementary angles and ∠DEF is eight times as large as ∠ABC. Determin      Log On


   

Question 466229: I could use some help on this problem please.Thanks in advance.
∠DEF and ∠ABC are supplementary angles and ∠DEF is eight times as large as ∠ABC. Determine the measure of each angle. Must show all work step by step to receive full credit for the problem.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
angle A+angle B=180
angle B=8 angle A
angle A+8 angle A=9 angle A=180
angle A=20 degrees
angle B=160 degrees..