Question
Calculate the area of a circular field whose
circumference is equal to the perimeter of a rectangular field with a length of 60 m and a breadth of 45 m. (Use π =3)Solution
Circumference of the circular field = Perimeter of the rectangular field = 2 × (60 + 45) = 210 m Radius of the circular field = 210/ (2 × 3) = 35 m So the area of the circular field = 3 × 352 = 3675 m²
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