Higher June 2019 Paper 2R Q4
4 \(ABC\) and \(DEF\) are similar triangles.
Diagram NOT accurately drawn
(a) Work out the length of \(DE\). (2)
The area of triangle \(DEF\) is 525 cm2
(b) Find the area of triangle \(DEF\) in m2 (2)
| Scheme | Marks |
|---|---|
| 40 ÷ 16 × 12 oe | M1 |
| 30 | A1 |
| (2) |
Notes
M1: \(40 \times \dfrac{12}{16}\) oe
| Scheme | Marks |
|---|---|
| \(525 \div 100^2\) | M1 |
| 0.0525 oe | A1 |
| (2) | |
| (4 marks) |
Notes
M1: \(\dfrac{525}{100^2}\)
A1: Accept \(5.25 \times 10^{-2}\)