Find the measure of the missing angle.

Answer:
It would be 20°
Step-by-step explanation:
A right angle, which is the angle in the picture, is 90°. So you would subtract 70 from 90, and get 20°
Answer: 20°
Hope this helps!
Answer:
a = 20
Step-by-step explanation:
This angle is a right angle.
A right angle is equal to 90 degrees.
90 - 70 = 20