using systems with three equations involving a word problem.

Question

In triangle ABC the measures of angle B is three times that of angle A. The measre of ngle C is 20 degrees more than that of angle A. Find the measures of each angle.

Answer 1

???????????????? "meshuer av the angel" ?????????????

??? yu wanna no how big ???????

b=3a & c=a+20, a=a

3 angels gotta =180 deg=a+3a+a+20

5a+20=180

5a=160

a=32