A diagram is drawn to a scale of 1 : 25. A line on the diagram has
Question:
A diagram is drawn to a scale of 1 : 25. A line on the diagram has length 20 cm. What actual length does it represent?
1 : 25 means that the actual lengths are 25 times bigger than those drawn.
20 × 25 = 500
So 20 cm on the diagram represents 500 cm (5 m) in real life.
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Related Book For
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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