Question

please do this fastly​

Answer 1

Answer:

1. x=60+60=120°

2.x=80-30=50°

3.180-90=90°

2x+x=90°

3x=90°

x=90/3

x=30°

2x=30×2=60°

4.the exterior angle x is 90°(vertically opposite angles)

as 180°-90°=90°

the two interior angles x will be 45°

As, 180°=90°+2x

90+2x=180

180-90=90

2x=00

x=90/4

x=45°