Question

If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?

Answer 1

Answer:

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Answer 2

Answer:

C.  20

Step-by-step explanation:

given:

exterior angle = 18°

to find the number of sides of a polygon:

the formula would be:

360 =  exterior angle

 n

360 =  18

 n

n = 360/18

n = 20

therefore, the number of sides of a polygon is 20

Answer 3

Answer: 20

360/18 = 20