4400 Higher June 2010 Paper 4 Q10
10 Quadrilaterals \(ABCD\) and \(PQRS\) are similar.

Diagrams NOT accurately drawn
\(AB\) corresponds to \(PQ\).
\(BC\) corresponds to \(QR\).
\(CD\) corresponds to \(RS\).
Find the value of
(a) \(x\) (2)
(b) \(y\) (1)
| Scheme | Marks |
|---|---|
| 4 ÷ 6.4 × 5.2 (0.625 × 5.2) or (5.2 ÷ 1.6 etc) | M1 |
| 3.25 | A1 |
| (2) |
Notes
M1: M1 for proper use of sf 1.6 or 0.625 (or \(x/4 = 5.2/6.4\) oe)
A1: cao
| Scheme | Marks |
|---|---|
| 52 | B1 |
| (1) | |
| (3 marks) |