© 2014 Shmoop University, Inc. All rights reserved.
 

Topics

Introduction to :

We call a three-sided shape a triangle You know these guys; they have been made famous thanks to pizza.

The perimeter of a triangle is the sum of its three sides. The area A of a triangle is given by the formula

.

This formula is the way it is because the triangle fills exactly half of a rectangle with side lengths b and h, as shown below.

 
Advertisement
Advertisement
Advertisement
back to top