4400 Higher June 2010 Paper 4 Q18
18
Diagram NOT accurately drawn
Calculate the length of \(AC\).
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \(\dfrac{AC}{\sin 110} = \dfrac{3.4}{\sin 30}\) oe | M1 |
| \(AC = 3.4 \times \dfrac{\sin 110}{\sin 30}\) | M1 |
| 6.39 | A1 |
| (3) | |
| (3 marks) |
Notes
A1: awrt 6.39