Question

how many sides does a regular polygon have if the measure of an interior angle is 18 degree
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Answer 1

Answer:

20

Step-by-step explanation:

It is impossible for a regular polygon to have interior angles of 18°. The smallest possible interior angle is in an equilateral triangle, and those angles are  

60 °

The only way the question can work, is if the exterior angles are each  

18 °

The only value that remains constant for the angles of a polygon is that the sum of the exterior angles is 360°.

360  ÷  18 = 20  sides

Answer 2

Answer:

20 sides

Step-by-step explanation:

Formula=$\frac{360}{Interior angle measure}$

ATQ, $\frac{360}{18}$=20

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