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s344n2d4d5 [400]
3 years ago
13

Find the circumference of a circle with radius 28cm. Take pi as 22/7

Mathematics
2 answers:
Alecsey [184]3 years ago
7 0
C=πr²
c=22/7*28²
c=22/7*784
c=(22*784)/7
c=22*112=2464
maxonik [38]3 years ago
5 0
The equation for circumference is
c = 2\pi \: r


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