Question
A wire is bent to form a square whose sides are of 22
cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circle formed.Solution
Total length of the wire = 4 × length of the square = 4 × 22 = 88 cm So, circumference of the circle = 88 cm Radius of the circle = {88/(2π)} = {88 × 7/44)} = 14 cm Area of the circle formed = (22/7) × 14 × 14 = 616 cm2
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