4MA0 Higher January 2014 Paper 4R Q3
3

Diagram NOT accurately drawn
\(ADB\) and \(AEB\) are triangles.
\(ABC\) is a straight line.
\(AD\) is parallel to \(BE\).
(a) Find the value of \(y\). (1)
(b) Find the value of \(z\). (2)
| Scheme | Marks |
|---|---|
| 28 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 36 + 28 or 36 + “28” or 180 – 116 | M1 |
| 64 | A1 |
| (2) | |
| (3 marks) |
Notes
M1: ft their answer from (a)
“116” from 180 – (36 + 28)