Question

A triangle has A B 80 find x

Answer 1

A=80 B=80
third angle =x
80+80+x=180
x=20

Answer 2

A= 80°
B=80°
X= ?
We know that, Sum of all angles of a triangle= 180°.
A + B + X = 180°
80°+80°+X =180°
160°+ X = 180°
X = 180°– 160° = 20°
Ans => X = 20°
Hope this solution helps you......