Question

6. In triangle RST , m < angle R Is 20 degrees more than two times m < angle < S and m < angle S=m < angle T Find the measure of each angle.

Answer 1

Explanation:

r+s+t = 180

r = 20+2s

s=t

20+2s+ s+s = 180

4s = 180-20=160

s = 40

t= 40

r = 100