G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics" from mathsteacher.com.au.

 

Year 7 Interactive Maths - Second Edition


Vertically Opposite Angles

Vertically opposite angles are angles that are opposite to each other and are also equal.

The markings in the diagram indicate the vertically opposite angles


Example 7

Use the information given in the diagram to find x and y.  Give reasons for your answers.

There are two pairs of vertically opposite angles

Solution:

x = 145º and y = 35º {Vertically opposite angles}


Key Term

vertically opposite angles

 

Study Another Topic in Chapter 8: Angles

[ Angles ] [ Drawing Angles less than 180° with a Protractor ] [ Calculating the Size of Angles ] [ Vertically Opposite Angles ] [ Angles Forming a Circle ] [ Parallel Lines ] [ Bearings ] [ Symbols ] [ Index ]

 
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