How to calculate the height of a triangle?

The height of a triangle can be calculated in a number of ways. However, one of the common ways of calculating the height of a triangle is by using the formula of the area of a triangle.

The area of a triangle is usually calculated using the formula, A= 1/2bh.

1. If you are using this method, you must be sure the values for the area and the length of the triangle are known. That way, the height of the triangle will be calculated simply by making "h" the subject of the formula.

2. Let's use an example so that we can have a better understanding of this. Say the area of a triangle is 20cm², and the length of the base of the triangle is 5cm, and you are asked to calculate the height of the triangle.

3. You can start by making "h" the subject of the formula to get: h= 2A/b.

4. You can start plugging the numbers into the equation. Since h=2A/b, then h= 2×20/5= 40/5= 8cm. The height of the triangle is 8cm.