Nov 22, 2013
Five different ways to find the area of a triangle.
How do you find the area of a triangle? The most common formula used to find the area is ½ base x height. However there are other methods you can use based on the information given. Check out the chart below for more methods to find the area of a triangle.
What you know…..
Method to use
Base and altitude of triangle
1/2 Base times Height
Video
Altitude of triangle missing
Heron’s formula
Video
Two sides and included angle
Side angle Side SAS
Video
Triangle Equilateral
Equilateral Triangle Area
Video
X and Y coordinates of the vertices
Box Method
Video
For more information and practice problems please see
Finding the area of a triangle