Question
Mon November 26, 2012 By:
 

The difference between an exterior angle of a regular polygon of side (N-1) and an exterior angle of a regular polygon of side (N+2) is 6 degree. What is the value of N?

Expert Reply
Tue November 27, 2012
Exterior angle of (n-1) sided regular polygon = 360/(n-1)

Exterior angle of (n+2) sided regular polygon = 360/(n+2)

It is given that the difference between them is 6

 360/(n-1) – 360/(n+2) = 6

Now, solve this equation to get the value of n.

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