find circumference of a circle having radius 7 cm diameter 28cm
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radius = 7
Therefore,
Circumference of a circle = 2πr= 2×22/7×7= 44cm
Diameter = 28cm
Radius = d/2 = 28/2 = 14cm
Circumference. = 2πr = 2×22/7×14= 88cm
Therefore,
Circumference of a circle = 2πr= 2×22/7×7= 44cm
Diameter = 28cm
Radius = d/2 = 28/2 = 14cm
Circumference. = 2πr = 2×22/7×14= 88cm
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