4400 Higher November 2010 Paper 3 Q10
10 Here are two similar triangles.
Diagrams NOT accurately drawn
\(LM\) corresponds to \(PQ\).
\(MN\) corresponds to \(QR\).
(a) Find the value of \(x\). (2)
(b) Find the value of \(y\). (2)
| Scheme | Marks |
|---|---|
| 14 × 15 ÷ 21 oe | M1 |
| 10 | A1 |
| (2) |
Notes
M1: Correct use of s.f. \(\frac{2}{3}\) or \(\frac{3}{2}\) or \(\frac{5}{7}\) or \(\frac{7}{5}\)
| Scheme | Marks |
|---|---|
| 18 × 21 ÷ 15 oe | M1 |
| 25.2 | A1 |
| (2) | |
| (4 marks) |
Notes
M1: Correct use of s.f.
5/7, 7/5, 6/5, 5/6, 18/“10”, “10”/18, 14/“10”, “10”/14
A1: cao