Triangle Types (Sides)

Free interactive math game: Triangle Types (Sides) — Equilateral, isosceles.... Part of the Geometric Shapes category on MathKite.

Example problems

Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.

  1. Classify this triangle by its sides.
  2. Classify this triangle by its sides. — Equilateral, Isosceles, Scalene

About this exercise

Classifying a triangle by its sides.

How to solve it

Three equal sides is equilateral, exactly two equal is isosceles, and all different is scalene.

Worked example

Sides of 5, 5 and 8 make an isosceles triangle.

Common mistake

Classifying by angles when the question asks about sides, or the other way round.