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A wire is bent in the form of a square incluses an area of56.25 sq cm find: a.find the length of the wire b.area enclosed c.the same wire bent in circle |
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Answer» Side of the square = area = 121 =11 cmPerimeter of the square = 4×side=44 cmTherefore, LENGTH of the wire = 44 cmWe know,Circumference of the circle = Length of the wireTherefore, Circumference of the circle = 44 cmLet the radius of the circle be r cm.Then, 2πr=442× 722 ×r=44r=7 cmTherefore, area of the circle = πr 2 = 722 ×49=154 cm 2 .if this answer is helpful to you please mark me as a brain LIST |
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