Triangle Calculator

Calculate area and dimensions of right triangles.

Formula & Methodology

For a right triangle, the Pythagorean theorem a² + b² = c² relates the legs to the hypotenuse; area = ½ × base × height.

Worked Example

A right triangle with legs 3 and 4 has a hypotenuse of 5 and area of 6.

Frequently Asked Questions

What can it solve?

Missing sides and the area of a right triangle when enough dimensions are provided.

Does it work for non-right triangles?

This calculator focuses on right triangles. For general triangles, use the law of sines or cosines separately.

What units does it use?

It uses whatever units you enter; keep units consistent across inputs.

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