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

 

Year 7 Interactive Maths - Second Edition


Angles Forming a Circle

The sum of all angles that meet at a point is equal to 360 degrees.


Example 8

Use the information given in the diagram to find x

Note that the three angles meet at a point

Solution:

Using the angle sum at a point, we find that x = 210.

So, the value of x is 210.


Key Terms

angles forming a circle, angle sum at a point

 

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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