This task is about three angle properties: angles at a point, adjacent angles on a straight line and vertically opposite angles.
Below are some rules about angles. Draw a diagram in each box to show what the rules mean.
| a) | Angles at a point add to 360°. | |
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| b) |
Adjacent angles on a straight line add to 180°.
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| c) |
Vertically opposite angles are equal.
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