4400 Higher June 2004 Paper 3 Q3
3
Diagram NOT accurately drawn
A circle has a radius of 4.7 cm.
(a) Work out the area of the circle.
Give your answer correct to 3 significant figures. (2)
Give your answer correct to 3 significant figures. (2)
Diagram NOT accurately drawn
The diagram shows a shape.
(b) Work out the area of the shape. (4)
| Scheme | Marks |
|---|---|
| \(\pi \times 4.7^2\) | M1 |
| 69.4 | A1 |
| (2) |
Notes
A1: for 69.4 or better (69.39778…)
| Scheme | Marks |
|---|---|
| Splits shape appropriately eg triangle & 2 rectangles, rectangle & trapezium | M1 |
| eg \(7 \times 2 + 6 \times 4\) or 14 + 24 | M1 |
| \(\frac{1}{2} \times 3 \times 4\) or 6 | M1 |
| 44 | A1 |
| (4) | |
| (6 marks) |
Notes
M1: for area of at least one rectangle
M1: for area of triangle or trapezium
A1: cao