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Coursework Notes - Shape & Space

 

Angles

 

 

 

The parts of angles and how angles are named

 

 

angles12

 

 

Angles around a point add up to 360 degrees.

 

 

angles#3

 

 

 

Angles in a straight line add up to 180 degrees (Supplementary angles)

 

 

angles#5

 

 

 

Vertically opposite angles are equal

 

 

angles#4

 

 

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Complementary angles add up to 90 degrees.

 

 

angles#8

 

 

Alternate angles are equal

 

angles#1   angles#1b

 

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Corresponding angles

 

angles2a  

angles#2b

 

 

The angles in a triangle add up to 180 degrees.

 

 

angles#7

 

 

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The angles in a quadrilateral add up to 360 degrees.

 

 

angles#6

 

 

 

The angles in polygons

 

 

angles#9

 

 

 

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