0580/21 May/Jun 2026, Question 4: Perimeter and Area of a Rectangle
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Non-calculator · 2 marks
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The question, in short
A rectangle has width 6 cm, which is 1/12 of its perimeter. Work out the rectangle's length.
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Solution · 2 marks
- 1Perimeter = 12 × 6 = 72 cm
- 2Two lengths = 72 − 6 − 6 = 60 cm
- 3Length = 60 ÷ 2 = 30 cm
Answer30
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