Enter the 3 sides of a triangle into the calculator. The calculator will evaluate and display the area using heron’s formula.

## Heron’s Formula

The following formula is used to calculate the area of a triangle.

area = 0.25 * √((a + b + c) * (-a + b + c) * (a – b + c) * (a + b – c))

• Where a, b, and c are the lengths of the sides of the triangle.

## Heron’s Formula Defintion

Heron’s formula states that the area of a triangle can be calculated using the 3 lengths of the side of that triangle.

## Heron’s Formula Example

How to calculate heron’s formula?

1. First, measure side A.

Measure the length of side A.

2. Next, measure side B.

Measure the length of side B.

3. Next, measure side C.

Measure the length of side C.

4. Finally, calculate the area.

Using heron’s formula, calculate the area of the triangle.

## FAQ

What is Heron’s Formula?

Heron’s formula is a formula derived from trigonometric equations that can be used to calculate the area of a triangle given the 3 lengths of the side of that triangle.

How to calculate heron’s formula?

Simply measure the 3 lengths of the triangle, and plug the values into the formula above to calculate the area.