4MA0 Higher June 2015 Paper 3R Q16
16 \(ABCD\) is a kite.
Diagram NOT accurately drawn
\(AB = 3\) cm
\(BC = 8\) cm
Angle \(ABC = 110^\circ\)
Calculate the area of the kite \(ABCD\).
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| 0.5 × 3 × 8 × sin 110 (= 11.2…) oe or 11.3 | M1 |
| 2 × 0.5 × 3 × 8 × sin 110 oe or 2 × “11.2..” | M1 dep |
| 22.6 | A1 |
| (3) |
Notes
M1 dep: M2 for 2 × 0.5 × 3 × 8 × sin 110 or 3 × 8 × sin 110
A1: awrt 22.6