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Question

If an angle of a regular polygon is 1650,then the number of sides of the polygon is

A
30
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B
24
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C
18
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D
15
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Solution

The correct option is B 24
Given : An angle of a regular polygon is 165o
Let n denote the number of sides of s polygon
By using the formula
An angle of a polygon =(n2)180n
165=(n2)180n
165n=180n360
25n=360
n=24
number of sides of the polygon is 24.

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