Question

14.
If the number of sides of a polygon is equal to the number of diagonals of the same polygon, then
sum of angles of the polygon is
1:
1) 540°
2) 720°
3) 900°
4) 1080°​

Answer 1

Answer:

1) 540°

Step-by-step explanation:

Since the figures of a polynomials is a (5 sides) i.e. pentagon

sum of interior angles = (n-2) × 180°

= 5-2×180°

= 3×180°

= 540°