0580/21 May/Jun 2021, Question 13: Area Factor of Similar Shapes
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 2 marks
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The question, in short
A map lake covers 32 cm² at scale 1 : 24 000; calculate the real area in km².
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Solution · 2 marks
- 11 cm on the map = 24000 cm = 0.24 km
- 21 cm² on the map = 0.24² = 0.0576 km²
- 3Area = 32 × 0.0576
- 4= 1.8432 km²
Answer1.8432
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