Question

find the angle sum of following regular polygon 1)triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon

Answer 1

hey mate ur answers are:-
triangle=180°
quadrilateral=360°
pentagon=540°
hexagon=720°
hectagon=900°
octagon=1080°
nonagon=140°
decagon=1440°
hope it helps....