Question 23 — IGCSE 0580 Oct/Nov 2025 Paper 22
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Mensuration · Perimeter, Area and Volume. Worth 7 marks.
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Question text
23
A
NOT TO
SCALE
O 12 cm
B
240°
The diagram shows a major sector, AOB, of a circle.
The sector angle is 240° and the radius is 12 cm.
(a) Show that the length of the major arc AB is 16rcm.
[1]
(b) OA is joined to OB to form a cone.
Work out the volume of the cone.
`a bjr
Give your answer in the form where a is an integer and b is a prime number.
3
..........................................cm3 [6]
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