4MA0 Foundation January 2014 Paper 2R Q11
11

Diagram NOT accurately drawn
\(ADB\) and \(AEB\) are triangles.
\(ABC\) is a straight line.
\(AD\) is parallel to \(BE\).
(a)
(i) Find the value of \(x\).
(ii) Give a reason for your answer.
(2)(b) Find the value of \(y\). (1)
(c) Find the value of \(z\). (2)
| Scheme | Marks |
|---|---|
| (i) Answer: 95 | B1 |
| (ii) Answer: vertically opposite angles are equal | B1 |
| (2) |
Notes
B1: Must have “vertically opposite” or “opposite angles” as a minimum
| Scheme | Marks |
|---|---|
| 28 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(z\) = “28” + 36 | M1ft |
| 64 | A1 |
| (2) | |
| (Total 5 marks) |