Question

Refer to the figure to find the following measure.

If mAD = 20° and m BC = 30°, then angle 1=
25°
5°
10°

Answer 1

angle 1= 25

Explanation:

angle 1= (mAD +mBC)/2

angle 1= (20+30)/2

angle 1= 50/2

angle 1= 25