Question

find the sum of the interior angles of the following polygons.1)Pentagon. 2)hexagon. 3)heptagon. 4)octagon.​

Answer 1

Sum of interior angles of polygon = (n-2)*180

1) Pentagon:

• (5-2)*180= 540

2)Hexagon:

• (6-2)*180= 720

3) Heptagon:

• (7-2)*180= 900

4) Octagon:

• (8-2)*180= 1080