Question

Find the value of x

Answer 1

68

Explanation:

x + x = 136

2x = 136

x = 136 / 2

x = 68

Answer 2

• This triangle is isosceles hence two angles are equal.

• But, the sum of two interior angles are equal to the exterior angle.

`{ \rm{x + x = 136 \degree}} \\ \\ { \rm{2x = 136 \degree}} \\ \\ { \boxed{ \rm{ \: \: x = 68 \degree \: \: }}}`