Find the side of a regular heptagon having the perimeter 245 cm. Side of the heptagon is _______________ cm 

Dear student , 

Regular heptagon is a 7 sided polygon ,having all its sides equal in length
Let side = a 
Perimeter = a + a ......7 times 
= 245 cm = 7a 
=> a = 35 cm = side of heptagon

Regards