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Triangle Area

Area from base and height.

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Area from base and height. Runs in the browser. Nothing is uploaded.

About this tool

Find the area of a triangle from its base and the height drawn to that base. Works for any triangle: right, acute or obtuse.

How to use it

  1. 01

    Enter the length of the base.

  2. 02

    Enter the height perpendicular to the base.

  3. 03

    Read the area.

FAQ

Frequently asked questions

What formula is used?

A = ½ × base × height.

Which height should I use?

The perpendicular distance from the base to the opposite vertex.