# Regular polygon question

• Jun 18th 2013, 08:58 AM
sscgeek
Regular polygon question
If a regular polygon has each of its angles equal to 3/5 times of two right angles then the number of sides is

a) 3

b)5

c)6

d)8
• Jun 18th 2013, 09:14 AM
Prove It
Re: Regular polygon question
Hint: The angle sum of a polygon with n sides is given by $\displaystyle (n - 2) \cdot 180^{\circ}$.
• Jun 18th 2013, 09:15 AM
Plato
Re: Regular polygon question
Quote:

Originally Posted by sscgeek
If a regular polygon has each of its angles equal to 3/5 times of two right angles then the number of sides is

a) 3

b)5

c)6

d)8

Please don't help sscgeek any more until (s)he starts showing some work.