Foundation November 2024 Paper 3 Q21
21 These two rectangles have the same area.
Not drawn accurately
Work out the ratio \(\quad\) perimeter A : perimeter B [4 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(5 \times 8\) or 40 | M1 | oe |
| their \(40 \div 10\) or 4 | M1dep | oe |
| \(8 + 8 + 5 + 5\) or 26 and \(10 + 10 + 4 + 4\) or 28 or \(8 + 5\) or 13 and \(10 + 4\) or 14 | M1dep | oe |
| 26 : 28 | A1 | oe ratio eg 13 : 14 |
Additional guidance
Ignore attempts at simplification after correct answer seen
Ignore units
Check diagram for working