Polygons

Question 1

what are all types of polygon and angles

Answer 1

Pentagon (5 sides): Interior angles add up to 540°.
Hexagon (6 sides): Interior angles add up to 720°.
Heptagon (7 sides): Interior angles add up to 900°.
Octagon (8 sides): Interior angles add up to 1080°.
Nonagon (9 sides): Interior angles add up to 1260°.
Decagon (10 sides): Interior angles add up to 1440°.

Question 2

what is sum of interior angels

Answer 2

(n-2) * 180

Question 3

No of sides in polygons

Answer 3

n = {360/θ
θ=exterior angle

Question 4

what is sum of each interior angles

Answer 4

(n-2) * 180/n

Question 5

no of diagonals formula

Answer 5

n(n-3)/2

Question 6

Area of octagon

Answer 6

2a^2 (1+root2) and area of octagon is double of Area of rectangle
Shorts side =aroot 2+root2

L=root2 s

Middle side=a(1+root2)

Longest=root2s

Question 7

Hexagon divides

Answer 7

It divides in 12 parts