Question

Write ONLY your numeric answer. You do not need the degree symbol.

B
E
310
D
с
Find mZDEC.

Answer 1

118

Explanation:

All angles inside a triangle add up to 180. D and C is the same. 31 x 2 = 62

180 - 62 = 118

Answer 2

180 - 31 - 31 = 118°