Similar Triangles Calculator

Calculate side lengths of similar triangles

Enter side a

Enter side b

Enter side c

Enter side d

How it works

Calculate side lengths of similar triangles


The Formula
a/b = c/d

Worked Example
  1. Example

    If two triangles have side lengths 3, 4, 5 and 6, 8, 10, they are similar.


Tips, Assumptions & Limitations
  • Check if the ratios of corresponding sides are equal
FAQ

Triangles with the same shape but not necessarily the same size

Enter the side lengths of the two triangles and click calculate

Companion article

Similar Triangles: A Comprehensive Guide

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