4MA0 Higher January 2016 Paper 4 Q14
14
Diagram NOT accurately drawn
\(ACE\) and \(BCD\) are straight lines.
\(AB\) is parallel to \(DE\).
(a) Calculate the length of \(CD\). (2)
(b) Calculate the length of \(AB\). (2)
The area of triangle \(ABC\) = \(T\) cm²
(c) Find the area of triangle \(CDE\) in terms of \(T\). (1)
| Scheme | Marks |
|---|---|
| \(5 \times \dfrac{10}{4}\) oe | M1 |
| 12.5 | A1 |
| (2) |
| Scheme | Marks |
|---|---|
| \(18 \div \dfrac{10}{4}\) oe | M1 |
| 7.2 | A1 |
| (2) |
| Scheme | Marks |
|---|---|
| \(6.25T\) | B1 |
| (1) |
Notes
B1: Accept \(T \times \left(\dfrac{10}{4}\right)^2\)