Exterior angle of a triangle
The question
degrees
The exterior angle
How it works.
x=35°+55°
35°+55°=90°
x=90°
- 01
An exterior angle of a triangle equals the sum of the two remote interior angles — the two it does not sit against. Here those are 35° and 55°.
- 02
Add them: 35 + 55 = 90.
- 03
So x = 90°.