Higher November 2018 Unit 1 Q4
4. The diagram below shows an empty cylinder, with radius 10 cm and height 20 cm.
Diagram not drawn to scale
(a) Using \(\pi = 3{\cdot}14\), calculate the volume of the cylinder. [2]
(b) What is the greatest whole number of litres that this cylinder can hold? [1]
……………………… litres
| Scheme | Marks | Comments |
|---|---|---|
| \(3{\cdot}14 \times 10^2 \times 20\) or \(\pi \times 10^2 \times 20\) | M1 | |
| = 6280 (cm3) | A1 | M1 A0 for 2000π Allow M1A1 if 6280 seen in 4(b). |
| Scheme | Marks | Comments |
|---|---|---|
| 6 (litres) | B1 | A strict F.T. of ‘their 6280’ /1000 and truncated. Truncation is required for the B1. |