Video solusi : In the figure below, O is the common centre of the two circles. The area of the shaded part A is twice that of the shaded part B.
i. What fraction of the figure is shaded?
(3 Marks)
ii. If the difference in area between the two circles is 112 cm^2, what is the area of the bigger circle?
(7 Marks)
A
B 45
O