# Recognise Right Angles in Shapes

In this worksheet, students will state which of the quadrilaterals and triangles shown have right angles (angles of 90 degrees).

Key stage:  KS 2

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Identify Acute/Obtuse Angles

Popular topics:   Angles worksheets, Geometry worksheets

Difficulty level:

#### Worksheet Overview

This activity is about right angles found in simple shapes.

Example

Which of these shapes are quadrilaterals with no right angles.

 a
 b
 c
 d
 e
 f
 g
 h

Remember that the corner of a rectangular piece of paper is a right angle.

Triangles have three sides.

So, the quadrilaterals above are shapes a, c, d and e.

The only one of those four quadrilaterals that has right angles is c, which is a rectangle.

This means that a, d and e are the quadrilaterals above that have no right angles.

Let's have a go at some questions now.

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