Question
What is the difference between (in m2) the
area of a circular field of radius 14 metres and area of a rectangular piece of land having its dimensions as 20 metres Γ 30 metres?Solution
Area of the circular field = Ο Γ radius2 = (22/7) Γ 14 Γ 14 = 616 m2 Area of the rectangular piece of land = length Γ breadth = 20 Γ 30 = 600 m2 So, difference in area = 616 β 600 = 16 m2
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