# Area of Triangle Formula

The area of a triangle is given by one half multiplied by its width and height.

### Area of Triangle Width Three Height Four

To calculate the area of a triangle first you set up the equation and then plug in the width and height.

### Area of 5 by 4 Triangle

To calculate the area of a triangle with a width of 5 and a height of 4, multiply the width and height together and divide by 2.

### Area of 4 by 4 Triangle

To calculate the area of a triangle with a width of 4 and a height of 4, multiply the width and height together and divide by 2.