Foundation January 2021 Paper 2 Q10
10 The diagram shows a right-angled triangle.
Diagram NOT accurately drawn
The perimeter of the triangle is 126 cm.
Work out the area of the triangle.
(4)
| Scheme | Marks |
|---|---|
| \(4x + 6x + 11 + 9x - 18 = 126\) oe eg \(19x - 7 = 126\) or eg (126 + 18 – 11) ÷ 19 | M1 |
| \(x = 7\) | A1 |
| 0.5 × (9 × “7” – 18) × (4 × “7”) (0.5 × 45 × 28) | M1 |
| 630 | A1 |
| (4) | |
| (4 marks) |
Notes
M1: A correct equation or a correct calculation for \(x\)
M1: Dep on M1
A1: cao