Triangle area Calculator

How to calculate triangle area

This tool calculates triangle area from Base, Height. Enter each quantity in its labelled field, then use the formula below to check the calculation.

Formula

base × height ÷ 2

Worked example

Base

10

Height

6

Applying the formula to these values gives 30 square units.

What should I check?

Find the area, perimeter, surface area or volume of common shapes. Use consistent length units: metres produce square metres for areas and cubic metres for volumes.

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