Ratio of measure of each internal angle to that of an external angle of an `n' sided regular polygon is 11:2. The value of `n' is -
11
12
13
14
9
(n−2)2= 112 ⇒ n = 13
The ratio of the measure of an internal angle to that of an external angle of a regular polygon having 12 sides is -
The difference between the measure of an internal angle to that of an external angle of a regular polygon is 90∘. The value of `n' is
If the ratio of measure of an internal angle to that of an external angle of a regular polygon is 7, then the number of sides that polygon has -
The measure of an internal angle of an n - sided regular polygon is 1600. The value of n is -