A wire in the shape of a square of side 10 cm is bent to form a circle. Find the diameter of a circle.
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Side of a Square = 10 cm
We can find the perimeter of the square
Perimeter of a square = 4 × side
=> Perimeter = 4 × 10
=> P = 40 cm
Now it is Bent to form circular ring. The perimeter would be same because it's made of the same wire.
=> Circumference of the circle formed = 40
=> Circumference of a circle = 2πr = πd
=> Circumference = πd = 40
=> 22/7 × d = 40
=> d = 40× 7/22
=> d = 12.72
Hope it helps dear friend ☺️✌️
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