Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 4 Mathematics Paper 1 Exam Revision Questions With Answers

The diagram below shows a cone of base radius 42cm from which a small cone of base radius 28cm has been removed to form a frustum PQRS. The height of the frustum is 20cm as shown. Calculate to 3 decimal places the total surface area of the frustum in square metres.

 (8m 39s)
962 Views     SHARE