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Question

The measurement of each exterior angle of a regular polygon is 40. How many sides does it have?

A
8
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B
9
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C
6
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D
10
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Solution

The correct option is C (9)


Given exterior angle =40
But we know that the sum of all exterior angles of a polygon =360

Let us assume that the polygon has x sides, then
40×x=360
x=36040
x=9
Hence, the polygon has 9 sides.


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