4400 Higher November 2007 Paper 4 Q12
12

Diagram NOT accurately drawn
\(ABC\) is a triangle.
Angle \(ABC = 90^\circ\).
\(AB = 4.9\) cm.
\(BC = 16.8\) cm.
Calculate the length of \(AC\).
(3)
| Scheme | Marks |
|---|---|
| \(4.9^2 + 16.8^2\) or 24.01 + 282.24 or 306.25 | M1 |
| \(\sqrt{4.9^2 + 16.8^2}\) | M1 |
| 17.5 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for squaring and adding
M1: (dep) for square root
A1: cao