# HOW TO ANSWER THE PERIMITER AND WHAT IS THE FORMULA BEFORE YOU SOLVE?

2
by Josheric

2014-03-05T10:35:03+08:00
Just add the measurements of the side to get the perimeter. However, if you want the easy way, here are the formulas:
Rectangle = , where length of the rectangle shall be multiplied by 2, and same with the width of the rectangle

Square = , where the S is the equal sides of it.

Triangle = , where the subscript sides are the sides that finishes the triangle, and the base is the underline of the triangle.

Trapezoid = , where the sides are the posts of the trapezoid, and the base is the top and under lines of it.

Parallelogram = same formula with Rectangle

Circle = technically, it's not perimeter, but it's CIRCUMFERENCE. Formula is:
, where pi is 3.14, and d is the diameter of the circle, which passes thorough the center in a straight line completely.

2014-03-05T15:17:24+08:00