??? - 2015 JUNE Q3 ANSWERS
3.
The diagram shows a sector AOB of a circle with centre O and radius 8 cm. The angle AOB is 1.2 radians. The points C and D lie on OA and OB respectively such that OC = 5.2 cm and OD = 2.6 cm. CD is a straight line.
(i) Find the area of the shaded region ACDB. [4]
(ii) Find the perimeter of the shaded region ACDB. [5]
(i) Find the area of the shaded region ACDB. [4]
(ii) Find the perimeter of the shaded region ACDB. [5]