Foundation November 2021 Paper 1 Q17
17 These two triangles are mathematically similar.

Not to scale
Work out the value of \(x\). [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 24 | 2 | M1 for \(\dfrac{32 \times 15}{20}\) oe or \(\dfrac{32}{20} = \dfrac{x}{15}\) oe or \(\dfrac{15}{20} = \dfrac{x}{32}\) oe or scale factor of 1.6, 0.625, 0.75, \(1.\dot{3}\) or 1.33[3] | |