Question

I need to know the missing angles​

Answer 1

the missing angles are 71

Explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

142° is an exterior angle of the triangle, thus

x + x = 142

2x = 142 ( divide both sides by 2 )

x = 71

Answer 2

71

Explanation: 2x=142

x=71