4MA0 Foundation June 2015 Paper 1R Q19
19
Diagram NOT accurately drawn
Work out the value of \(x\).
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \(5.4^2 + 12.8^2\) (= 193) | M1 |
\(\sqrt{5.4^2 + 12.8^2}\) or \(\sqrt{\text{“}193\text{”}}\) (= 13.89244399) | M1 |
| 13.9 | A1 |
| (3) | |
| Total 3 marks |
Notes
M1: dep
A1: awrt 13.9