Question

What is the value of w

Answer 1

`w=40^o`

Explanation:

we know that

The Triangle External Angle Theorem states that: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

In this problem

`w+w=w+40^o`

solve for w

`2w=w+40^o`

`2w-w=40^o`

`w=40^o`