Example 1 Find measure x
Given
Exterior angles 50°, 90°, x, 110°
We know that
Sum of exterior angles = 360°
50° + 90° + x + 110° = 360°
250° + x = 360°
x = 360° − 250°
x = 110°
Made by
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.