Question

Plese help
This is from my exam ​

Answer 1

x= 60°+60°

x=120°

Using exterior angle property of triangle in which the sum of two opposite sides is equal to exterior angle.

Answer 2

60 + 60 = 120

180 - 120 = 60

So this means that it is an equilateral triangle.

180 - 60 = 120

so x = 120°