4400 Higher June 2006 Paper 3 Q12
12
Diagram NOT accurately drawn
Are the two rectangles mathematically similar?
Tick (✓) the appropriate box.
You must show working to justify your answer.
Yes ☐ \(\qquad\) No ☐
(3)
| Scheme | Marks |
|---|---|
| eg \(\dfrac{25}{15} = 1.67\) and \(\dfrac{20}{10} = 2\) \(\dfrac{15}{10} = 1.5\) and \(\dfrac{25}{20} = 1.25\) | M1 M1 |
| “No” indicated | A1 |
| (3) | |
| (3 marks) |
Notes
M1: e.g. for \(\dfrac{25}{15}\)
M1: for \(\dfrac{20}{10}\), consistent pairing
A1: dep on both M marks, inc. evaluation or simplest forms of ratios