Intermediate June 2024 Unit 2 Q9
9. Calculate the circumference of a circle with a radius of 38 cm.
Give your answer in cm, correct to 2 significant figures. [3]
| Scheme | Marks | Comments |
|---|---|---|
| (Circumference =) 2 × π × 38 or π × 76 | M1 | |
| an answer between 238·6 and 239 inclusive (cm) | A1 | Award A1 for sight of 76π. |
| 240 (cm) | B1 | Award B0 for 240·0(00…). FT ‘their circumference’ correctly given to 2 significant figures, provided > 100 and π has been used. An unsupported final answer between 238·6 and 239 inclusive (cm) is awarded M1A1B0. An unsupported final answer of 240 (cm) is awarded M1A1B1. |