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Recognise Different Types of Triangle

In this worksheet, students will identify different types of triangle classified by their sides, by their angles or by a combination of both sides and angles.

'Recognise Different Types of Triangle' worksheet

Key stage:  KS 3

Year:  Year 7 Maths worksheets

Curriculum topic:   Geometry and Measures

Curriculum subtopic:   Derive and Illustrate Properties of Plane Figures

Difficulty level:  

Worksheet Overview

A scalene triangle has no sides equal and no angles equal.

An isosceles triangle has two sides equal and also two angles equal.

An equilateral triangle has three equal sides and all three angles equal 60°.


A right-angled triangle is one in which one angle is 90°.




Note that equal sides are marked by small dashes.


Scalene Isosceles Equilateral Right-angled


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