4400 Higher June 2010 Paper 4 Q5
5

Diagram NOT accurately drawn
Calculate the value of \(x\).
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \((x^2 =)\ 3.3^2 + 1.8^2\) (= 14.13) | M1 |
| \(\sqrt{\text{“}14.13\text{”}}\) | M1 |
| 3.76 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: M2 for \(\sqrt{3.3^2 + 1.8^2}\)
M1: dep
A1: awrt 3.76 isw for 3.758... or better in body.