Question

The exterior angle of a regular polygon is 18. Find the number of sides​

Answer 1

Answer: 20

Explanation:

Formula for finding the number of sides when the exterior angle is given :

360 / exterior angle

Here, the exterior angle is 18, so 360 / 18 = 20

Number of sides = 20

Answer 2

20

Explanation:

You want the number of sides of a regular polygon that has an exterior angle of 18°.

Exterior angle

The sum of exterior angles of a convex polygon is 360°. If each one is 18°, then there must be ...

360°/18° = 20

of them.

The polygon has 20 sides.

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