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Q.

How many sides does a regular polygon have if the measure of an exterior angle is 40°?

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a

12

b

9

c

4

d

5

answer is C.

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Detailed Solution

Sum of exterior angles of a polygon = 360°

Given, measure of each exterior angle = 40°

Number of sides of polygon = 360°40°

                                             = 9

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How many sides does a regular polygon have if the measure of an exterior angle is 40°?