4400 Higher June 2008 Paper 4 Q8
8 The diagram shows a prism with length 15 cm.
The cross section of the prism is a right-angled triangle with sides 3 cm, 4 cm and 5 cm.
Diagram NOT accurately drawn
Calculate the total surface area of the prism.
(4)
| Scheme | Marks |
|---|---|
| \(\frac{1}{2} \times 3 \times 4\) | M1 |
| \(3 \times 15\) and \(4 \times 15\) and \(5 \times 15\) | M2 |
| 192 | A1 |
| (4) | |
| (4 marks) |
Notes
M2: M1 for any ONE of these.
A1: cao