Question
What is the difference between (in m2) the
area of a circular field of radius 35 metres and area of a rectangular piece of land having its dimensions as 60 metres × 55 metres?Solution
Area of the circular field = π × radius2 = (22/7) × 35 × 35 = 3850 m2 Area of the rectangular piece of land = length × breadth = 60 × 55 = 3300 m2 So, difference in area = 3850 – 3300 = 550 m2
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