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 figure below shows a circle centre O and radius R cm. The minor arc AB subtends an angle of 105˚ at the centre of the circle and the corresponding sector AOB has an area of # 528cm^2#. (Take π=22/7)
a) Find the radius R of the circle.
b) The sector is removed and folded into a cone, calculate:
i. the area of the cone so formed.
ii. to 2 decimal places the height of the cone.
iii. to the nearest whole number, the volume of the cone.

 (6m 6s)
974 Views     SHARE