Answer:
(a) Area of the big circle
= π(9^2) = 81π square cm
(b) Area of both little circles
= 2π(4.5^2) = 40.5π square cm
= 81π/2 square cm
(c) Area of the blue section
= 81π - 40.5π = 40.5π square cm
9.4m questions
12.1m answers