O-LevelMathematicsMensuration4024/11 · Oct/Nov 2024 · Q154 Marks
A sector of a circle with angle 60° has arc length 4π cm. Find the area of the sector. Give your answer, as simply as possible, in terms of π.
- A sector of a circle with angle 60° has arc length 4π cm. Find the area of the sector. Give your answer, as simply as possible, in terms of π.[4]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.
- [4] 24π nfww
- B2 for r = 12
- or M1 for (60/360) × 2πr = 4π oe
- AND
- M1 for (60/360) × π × (their r)^2 oe
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