Question 20 — IGCSE 0580 Oct/Nov 2023 Paper 13
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Mensuration · Perimeter, Area and Volume. Worth 2 marks.
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Question text
20
72°
r cm
NOT TO
SCALE
The diagram shows a sector of a circle with radius r cm and sector angle 72°.
The arc length is 9.35 cm.
Calculate the value of r.
r = ................................................ [2]
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