Calculate the area of a triangle using our Area Calculator, or try calculating it yourself with the formulas provided.
Geometry Calculator
Enter the base and height of the triangle in the calculator below to calculate the area of the triangle.
Calculate the area of triangle
Geometry Definitions
The following is a list of definitions relating to the area of a triangle.
What is area?
Area is the size of a surface.
What is a triangle?
A triangle is a two-dimensional shape. It has three straight sides and three angles.
What is the base?
The base of the triangle is the length of the bottom of the triangle.
What is the height?
The height of the triangle is the distance measured by drawing a line from the bottom of the triangle to the top.
Geometry Formula
The formula to calculate the area of a triangle is:
A = ½ x b x h
where...
- A = area of triangle
- b = base of triangle
- h = height of triangle
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