Question

A triangle is shown on the right. What is the measure of the missing angle of the triangle? (Please leave a small explanation)

Answer 1

it's answer is D. 33°

Explanation:

Let the unknown angle be x Then.

x + 100° + 47° = 180° [ being sum of angles of triangle ]

x + 147° = 180°

x = 180° - 147°

x = 33°