Foundation June 2019 Paper 1 Q24
24 AOB is a sector of a circle, centre O.
Not to scale
Show that the length of arc AB is 5.24 cm, correct to 3 significant figures. [3]
| Answer | Marks | Part marks and guidance |
|---|---|---|
| \(2 \times \pi \times 6\) oe implied by \(12\pi\) | M1 | Accept correct alternative methods |
| \(\dfrac{50}{360} \times\) their \((2 \times \pi \times 6)\) | M1 | |
| 5.235[…] or 5.236[…] or 5.237 which rounds to 5.24 | A1 |