Perimeter means the the outside of something. You can calculate perimeter of adding up all the sides of a rectangle,triangle,square etc... For Example You have a Rectangle With Two Sides Having a width of 3cm and two sides having a Length of 5cm. To find the perimeter you must add 5+5+3+3 and get 16cm. 16cm is your perimeter of the rectangle

FloriaCollingswor332

it mean to find around but area is inside of hope that helps