You are given the length and width of a 4-sided polygon. The polygon can either be a rectangle or a square. If it is a square, return its area. If it is a rectangle, return its perimeter.
pwmcclung/area_or_perimeter.js
You are given the length and width of a 4-sided polygon. The polygon can either be a rectangle or a square. If it is a square, return its area. If it is a rectangle, return its perimeter.
JavaScript