Find the circumference of the following circle(2)
1. Diameter 24cm
2.Radius 28cm
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1. d = 24cm. So r = 24/2 = 12cm
Now circumference = 2 × π × r
= 2 × 22/7 × 12
= 75.42 cm
2. r = 28 cm
Now circumference = 2 × 22/7 × 28
= 2 × 22 × 4
= 176 cm
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