4400 Higher June 2008 Paper 3 Q7
7 The diameter of a circle is 7.8 cm.
Calculate the circumference of the circle.
Give your answer correct to 3 significant figures.
(2)
| Scheme | Marks |
|---|---|
| \(\pi \times 7.8\) or \(2\pi \times 3.9\) | M1 |
| 24.5 | A1 |
| (2) | |
| (2 marks) |
Notes
M1: for \(\pi \times 7.8\) or \(2\pi \times 3.9\)
A1: for 24.5 or for answer which rounds to 24.49, 24.50 or 24.51
(\(\pi \to\) 24.5044... 3.14 \(\to\) 24.492 3.142 \(\to\) 24.5076)