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Find Angles in Quadrilaterals

In this worksheet, students will calculate angles in quadrilaterals.

'Find Angles in Quadrilaterals' worksheet

Key stage:  KS 3

Year:  Year 8 Maths worksheets

Curriculum topic:   Geometry and Measures

Curriculum subtopic:   Derive/Use the Sum of Angles for Deduction

Popular topics:   Angles worksheets

Difficulty level:  

Worksheet Overview

This activity is about finding the angles in a quadrilateral, which always add up to 360°.

 

Example

 

angles in a quadrilateral

 

To find angle x, we add up the existing angles and subtract this from 360°.

 

We can see that the quadrilateral above has two right angles and a third angle of 34°.

 

90 + 90 + 34 = 214

x = 360 - 214 = 146°

 

Does that make sense?

 

Let's have a go at some questions.

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