4MA0 Foundation June 2016 Paper 1R Q9
9

Diagram NOT accurately drawn
ABC, CDE and BDF are straight lines.
(a) Write down the value of \(x\). (1)
(b)
(i) Find the value of \(y\).
(ii) Give a reason for your answer.
(2)(c) Find the value of \(z\). (2)
| Scheme | Marks |
|---|---|
| 95 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| (i) 140 | B1 |
| (ii) The sum of the angles on a straight line = 180° | B1 |
| (2) |
| Scheme | Marks |
|---|---|
| 180 – (95 + 40) | M1 |
| 45 | A1 |
| (2) |
Notes
M1: For 180 – (95 + 40)
A1: cao