4MA0 Higher January 2015 Paper 3R Q18
18

Diagram NOT accurately drawn
The diagram shows a hemisphere with a diameter of 18.6 cm.
Work out the volume of the hemisphere.
Give your answer correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \(\dfrac{4}{3} \times \pi \times \left(\dfrac{18.6}{2}\right)^3\) or 3369(.282...) | M1 |
| “3369(.282...)” ÷ 2 | M1 |
| 1680 | A1 |
| (3 marks) |
Notes
M1: dep
A1: for ans which rounds to 1680