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Geometry

Triangle area

Triangle area: A = base × perpendicular height ÷ 2 (m²)

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How it works

A = base × perpendicular height ÷ 2 (m²)

Input definitions

Base (m)
Enter the value in the labeled unit.
Perpendicular height (m)
Enter the value in the labeled unit.

A worked example

Base (m)
4
Perpendicular height (m)
3
6

Assumptions & limits

Uses the stated input units. Results are rounded for display; keep additional precision for subsequent calculations.

Sources & review

Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.

Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.

Common questions

Can I check the result before using it?

Compare the worked example with your inputs and use the stated method: A = base × perpendicular height ÷ 2 (m²). Confirm input units and boundary choices before relying on the result.

How does the Triangle area tool work?

A = base × perpendicular height ÷ 2 (m²).

What are the assumptions and limits of Triangle area?

Uses the stated input units. Results are rounded for display; keep additional precision for subsequent calculations.

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