4400 Higher June 2006 Paper 3 Q8
8 The perimeter of a triangle is 54 cm.
The lengths of its sides are in the ratios 2 : 3 : 4
Work out the length of the longest side of the triangle.
(2)
| Scheme | Marks |
|---|---|
| 2 + 3 + 4 or 9 seen | M1 |
| 24 | A1 |
| (2) | |
| (2 marks) |
Notes
M1: for 2 + 3 + 4 or 9 seen or for 6 seen
A1: Accept 12 : 18 : 24