Question
What is the difference between (in m2) the
area of a circular field of radius 28 metres and area of a rectangular piece of land having its dimensions as 10 metres Γ 11 metres?Solution
Area of the circular field = Ο Γ radius2 = (22/7) Γ 28 Γ 28 = 2464 m2 Area of the rectangular piece of land = length Γ breadth = 10 Γ 11 = 110 m2 So, difference in area = 2464 β 110 = 2354 m2
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