Question 264317
I have an isoceles with an angle supplementary to angle 3 equaling 116 degrees find angles 1 and 2.

supplement to 116 = 64

let the equal angles be x

sum of these two will be 2x

2x+64=180 ( sum of agles of triangle)

2x=180-64
2x=116
x=58

the angles are 58,58 and 64