Skip Discover Education Main Navigation
Skip Discover Education Main Navigation

Visit Cosmeo for explanations and help with your homework problems!

Find Out Things About Rectangles

This page will help you to calculate things related to a rectangle.

Notes about rectangles:

  • A rectangle is most often characterized by its height h, and its width, w.
  • The width and height of a rectangle are usually different. If they are the same, then the rectangle becomes a square.
  • The perimeter, or distance around a rectangle is h+w+h+w or 2h+2w.
  • The area enclosed by a rectangle is h × w or hw.
  • The distance from one corner of a rectangle to the opposite corner is sometimes called the diagonal and is given by (w2+h2)1/2.

What would you like to know?

I know that the width of a rectangle is , and the height of a rectangle is .

From this, show me how to calculate the of the rectangle.

Quick! I need help with: