Foundation June 2018 Paper 2 Q12
12 The diagram shows a quadrilateral \(ABCD\) on a centimetre grid.

(a) Work out the area of triangle \(ABC\).
You must include the units with your answer. (3)
You must include the units with your answer. (3)
(b) Give a reason why angle \(ACD\) is equal to angle \(CAB\). (1)
(c) Write down an equation for the straight line that passes through \(D\) and \(C\). (1)
| Scheme | Marks |
|---|---|
| 0.5 × 2 × 3 | M1 |
| 3 cm2 | A1 |
| B1 | |
| (3) |
Notes
M1: Accept even if added to another area
A1: for 3
B1: for units
| Scheme | Marks |
|---|---|
| alternate angles | B1 |
| (1) |
Notes
B1: ‘alternate’ or ‘alternating’ or equivalent statement
| Scheme | Marks |
|---|---|
| \(y = 4\) | B1 |
| (1) | |
| (5 marks) |