AbraCalc

Triangle with Base 5 and Height 10

A triangle with base 5 and height 10 has an area of 25 square units.

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How to use this tool

  1. Enter base and height in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your area and the full breakdown beneath it.

Despite swapping base and height compared to the 10×5 case, the area remains 25 square units.

Frequently asked questions

How do you calculate the area of a triangle?
Area = (base × height) / 2. The height must be perpendicular to the base.