Thursday, November 21, 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