Question

In isosceles triangle RST what is the measure of angle R? (1) The measure of angle T is 100 degrees. (2) The measure of angle

Answer 1

Answer:angle T is 40

Step-by-step explanation:

Angle R+T+S = 180

100+R+S=180. (R=S)

2R=180-100

2R = 80

R= 40