Answer:
Question 1
Given pentagon
Sum of interior angles:
Sum of exterior angles is same for any polygon:
Question 2
Given hexagon
Sum of interior angles:
Sum of interior angles of a given hexagon:
- x + 120° + 156° + 145° + x + 9° + 90° = 720°
- 2x + 520° = 720°
- 2x = 200°
- x = 100°