Estimate the exterior angle of a triangle — task. Maths CBSE Homework Assignments, Class 8.

Find the measure of the exterior angle \(B\) and the interior angle \(x\) if the measure of angle \(∠A = 90°\) and \(∠C = 109°\).

1. The measure of exterior angle \(B\) is \(°\).

2. The measure of interior angle \(x\) is \(°\).

Did you find an error?

3. Estimate the exterior angle of a triangle