Last updated: March 2, 2026 by Dr. David Park

How to Solve a Right Triangle

Formula

A right triangle has one 90-degree angle. Given two legs, all other properties can be computed.

The hypotenuse is found via the Pythagorean theorem, and angles via inverse tangent.

Common use cases:

  • Roof pitch calculations
  • Ramp and stair design
  • Surveying and navigation

Frequently Asked Questions

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Dr. David Park

Applied Mathematician, PhD Mathematics

David holds a PhD in Applied Mathematics from MIT. He has published research on numerical methods and computational algorithms used in engineering and scientific calculators.

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