Question

pls tell me the answer​

Answer 1

Answer:

(b) 70°

( you can draw a dotted line perpendicular at vertex. So, you don't make mistake)

Two angles are called complementary if their

measures add to 90 degrees

Angle 1 + Angle 2 = 90°

20°+ Angle 2 = 90°

Angle 2 = 90°- 20°

= 70°