Advertisements
Advertisements
Question
Find a number of side in a regular polygon, if it exterior angle is: 30°.
Advertisements
Solution
Let number of sides = n
`therefore 360^circ/"n" = 30^circ`
n = `360^circ/30^circ`
n = 12
APPEARS IN
RELATED QUESTIONS
Is it possible to have a regular polygon whose interior angle is : 170°
Is it possible to have a regular polygon whose interior angle is:
138°
Find the number of sides in a regular polygon, if its interior angle is equal to its exterior angle.
The ratio between the interior angle and the exterior angle of a regular polygon is 2: 1. Find:
(i) each exterior angle of the polygon ;
(ii) number of sides in the polygon.
The ratio between the exterior angle and the interior angle of a regular polygon is 1 : 4. Find the number of sides in the polygon.
In a regular pentagon ABCDE, draw a diagonal BE and then find the measure of:
(i) ∠BAE
(ii) ∠ABE
(iii) ∠BED
If the difference between the exterior angle of a 'n' sided regular polygon and an (n + 1) sided regular polygon is 12°, find the value of n.
Find number of side in a regular polygon, if it exterior angle is: 36
Is it possible to have a regular polygon whose exterior angle is: 100°
Which formula correctly represents the sum of interior angles of an n-sided polygon?
