4400 Higher November 2009 Paper 4 Q13
13
Diagram NOT accurately drawn
Quadrilateral \(\mathbf{P}\) is mathematically similar to quadrilateral \(\mathbf{Q}\).
(a) Calculate the value of \(x\). (2)
(b) Calculate the value of \(y\). (2)
| Scheme | Marks |
|---|---|
| \(18 \times \dfrac{15}{12}\) | M1 |
| 22.5 | A1 |
| (2) |
Notes
M1: for \(\frac{15}{12}\) (1.25) oe or \(\frac{18}{12}\) (1.5) oe seen
A1: cao
| Scheme | Marks |
|---|---|
| eg \(20 \div \dfrac{15}{12}\), \(20 \times \dfrac{12}{15}\), \(12 \times \dfrac{20}{15}\) | M1 |
| 16 | A1 |
| (2) | |
| (4 marks) |
Notes
M1: for eg 20 ÷ 1.25, 20 × 0.8, \(12 \times 1.\dot{3}\)
A1: cao