Question

Pls help me to solve this.

Answer 1

Answer:

9

1. x=130

2.x=100

3.x=180

Step-by-step explanation:

3. number of sides=5

.sum of Angle=(5-2)×180. (n-2×180)

3×180

540

x+x+x+x+x=540

5x=540

x=180