4MA0 Higher June 2014 Paper 3R Q9
9 A cylinder has diameter 12 cm and length 30 cm.
Diagram NOT accurately drawn
Work out the curved surface area of the cylinder.
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \(12\pi\) | M1 |
| \(30 \times 12\pi\) or \(360\pi\) | M1 |
| 1130 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for circumference
accept value which rounds to 37.7
M1: correct expression for surface area
A1: accept awrt 1130 (3SF)
e.g 1131
If full Surface Area given, then award 2 marks as long as you see \(360\pi\) oe in working (M1 for \(12\pi\) oe) Do not isw.