Remember that (a) angles on a line add up to 180º | ![]() |
and (b) angles at a point add up to 360º | ![]() |
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Practice Questions Work out the answer to each of these questions then click on the button marked ![]() |
 
Question 1
Calculate the unknown angle in each of the following diagrams.
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Question 2
Calculate the unknown angle in each of the following diagrams.
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Question 3
The diagram below shows a playground roundabout from above. Five metal bars are fixed to the centre of the roundabout as shown. The angles between the bars are all the same size.
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Question 4
A boy hangs a punchbag on a washing line.
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Question 5
The diagram below shows two straight lines which cross each other.
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Question 6
In the diagram below, the large angle is 4 times bigger than the smaller angle.
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Question 7
The diagram below shows a regular hexagon. The angles marked at the centre are all the same.
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