Calculate the number of sides of a regular polygon
with exterior angle of 120°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (120)

Number of sides of regular polygon

= 360/(120) = 3

Calculate the number of sides of a regular polygon
with exterior angle of 90°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (90)

Number of sides of regular polygon

= 360/(90) = 4

Calculate the number of sides of a regular polygon
with exterior angle of 72°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (72)

Number of sides of regular polygon

= 360/(72) = 5

Calculate the number of sides of a regular polygon
with exterior angle of 60°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (60)

Number of sides of regular polygon

= 360/(60) = 6

Calculate the number of sides of a regular polygon
with exterior angle of 45°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (45)

Number of sides of regular polygon

= 360/(45) = 8

Calculate the number of sides of a regular polygon
with exterior angle of 40°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (40)

Number of sides of regular polygon

= 360/(40) = 9

Calculate the number of sides of a regular polygon
with exterior angle of 36°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (36)

Number of sides of regular polygon

= 360/(36) = 10

Calculate the number of sides of a regular polygon
with exterior angle of 30°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (30)

Number of sides of regular polygon

= 360/(30) = 12

Calculate the number of sides of a regular polygon
with exterior angle of 20°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (20)

Number of sides of regular polygon

= 360/(20) = 18

Calculate the number of sides of a regular polygon
with exterior angle of 18°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (18)

Number of sides of regular polygon

= 360/(18) = 20

Calculate the number of sides of a regular polygon
with exterior angle of 15°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (15)

Number of sides of regular polygon

= 360/(15) = 24

Calculate the number of sides of a regular polygon
with exterior angle of 12°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (12)

Number of sides of regular polygon

= 360/(12) = 30

Calculate the number of sides of a regular polygon
with exterior angle of 10°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (10)

Number of sides of regular polygon

= 360/(10) = 36

Calculate the number of sides of a regular polygon
with exterior angle of 9°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (9)

Number of sides of regular polygon

= 360/(9) = 40

Calculate the number of sides of a regular polygon
with exterior angle of 6°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (6)

Number of sides of regular polygon

= 360/(6) = 60

Calculate the number of sides of a regular polygon
with exterior angle of 5°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (5)

Number of sides of regular polygon

= 360/(5) = 72

Calculate the number of sides of a regular polygon
with exterior angle of 4°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (4)

Number of sides of regular polygon

= 360/(4) = 90

Calculate the number of sides of a regular polygon
with exterior angle of 3°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (3)

Number of sides of regular polygon

= 360/(3) = 120

Calculate the number of sides of a regular polygon
with exterior angle of 2°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (2)

Number of sides of regular polygon

= 360/(2) = 180

Calculate the number of sides of a regular polygon
with exterior angle of 1°

Number of sides of regular polygon

= 360/(exterior angle)

Exterior angle = (1)

Number of sides of regular polygon

= 360/(1) = 360