0580/33 May/Jun 2026, Question 7: Composite Perimeter, Area and Volume
Cambridge IGCSE Mathematics 0580 · Paper 33 (Core) · Calculator · 2 marks
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The question, in short
A 15 cm square is cut along a line into two pieces, which are rearranged without overlap into a T-shape; find the perimeter of the T-shape.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Top piece is 15 cm by 5 cm; stem is 10 cm by 15 cm
- 2Overhang each side = (15 − 10) ÷ 2 = 2.5 cm
- 3Perimeter = 15 + 5 + 2.5 + 15 + 10 + 15 + 2.5 + 5
- 4= 70 cm
Answer70
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