Foundation June 2022 Unit 1 Q6
6. In this question, you will be assessed on the quality of your accuracy in writing.
Two identical small circles fit in a larger circle, as shown below.
\(AB\) is a straight line passing through the centres of all three circles.
The radius of each of the small circles is 7·5 cm.
Calculate the length of the diameter of the large circle.
You must show all your working. [2 + 1 W]
Diagram not drawn to scale
| Scheme | Marks | Comments |
|---|---|---|
| (Diameter of the larger circle=) 4 x 7·5 (cm) = 30 (cm) | M1 A1 | May be seen in parts. |
| Accuracy of Writing Show all their working which must be in correct mathematical form Include units in the answer | W1 | For W1, candidates will be expected to:
|