find the diameter of a ore is 5cm find the circumference
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circumference is πd = 22/7×5= 110/7=15.7
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Diameter=5 cm
So radius=5/2 cm
Now circumference=2πr
=2×22/7×5/2
=110/7 cm
So radius=5/2 cm
Now circumference=2πr
=2×22/7×5/2
=110/7 cm
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