4MA0 Higher June 2014 Paper 3 Q15
15 The diagram shows two regular hexagons, OABCDE and OFGHIJ.
Diagram NOT accurately drawn
OAF and OEJ are straight lines.
\(OF = 3\,OA\).
The area of OABCDE is 4 cm2.
Calculate the area of the shaded region.
(3)
| Scheme | Marks |
|---|---|
| \(3^2\) or 9 | M1 |
| \(3^2 \times 4\) | M1 |
| 32 | A1 |
| (3 marks) |
Notes
M1: \(3^2\) used or identified as area scale factor
M1: \(3^2 \times 4\) or 9 × 4 or 36 or \(3^2 \times 4 - 4\) or \((3^2 - 1) \times 4\) or 8 × 4