Area of Triangle (base and height)

`A = 1/2*b*h`

Enter a value for all fields

The Area of a Triangle Based on the Base and Height calculator computes the area of a triangle given the length of the base (b) and height (h).

INSTRUCTIONS: Choose units and enter the following:

(b) Length of Base of Triangle
(h) Height of Triangle

AREA (A): The calculator returns the area in square meters (m ²). However, this can be automatically converted to other area units (e.g. square feet) via the pull-down menu.

The Math / Science

The formula for the area of triangle is:

`A = 1/2 * b * h`

where:

A = area of triangle
b = length of the base
h = vertical height

A triangle is a polygon with three sides, three vertices (corners), and three angles. Triangles can be classified based on the lengths of their sides and the measures of their angles as follows:

By Side Lengths:

Equilateral Triangle: All three sides are equal in length.
Isosceles Triangle: Two sides are equal in length.
Scalene Triangle: All three sides have different lengths.

By Angle Measures:

Acute Triangle: All three angles are less than 90 degrees.
Right Triangle: One angle is exactly 90 degrees.
Obtuse Triangle: One angle is greater than 90 degrees.

The sum of the interior angles of any triangle always adds up to 180 degrees.

Triangle Calculators

References

Light and Matter(Dr. Benjamin Crowell) Chapter 0.10 Significant Figures.
Light and Matter(Dr. Benjamin Crowell) Chapter 1.2 Scaling of Area and Volume
Light and Matter(Dr. Benjamin Crowell) Chapter 3.6 Algebraic results for constant acceleration