Question

if each side of a regular decagon measures 'a'cm, what is the perimeter of the decagon​

Answer 1

Answer:

10a

Step-by-step explanation:

Decagon is a polygon which consists of 10 sides.

The question states that the decagon is a regular decagon, all the sides are equal to a. Therefore, the perimeter is a+a+a+a+a+a+a+a+a+a or 10a.