Question

What is the measure of ∠DEG?
A) 133°
B) 103°
C) 77°
D) 67°

Answer 1

Hello!

To do this you have to find one of the missing angles.

Three angles of a triangle equal 180 so

180-47-30=103

A stright line has a degree of 180

180-103 = 77 which is the answer

Answer 2

Hmmmmmm
Let me think for a second