0580/23 Oct/Nov 2022, Question 14: Area Factor of Similar Shapes
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 2 marks
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The question, in short
Using a map scale of 1 : 200 000, convert a lake area of 12.4 cm² on the map into square kilometres.
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Solution · 2 marks
- 11 cm represents 200 000 cm = 2 km
- 21 cm² represents 2² = 4 km²
- 3Area = 12.4 × 4 = 49.6 km²
Answer49.6
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