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Otrada [13]
3 years ago
9

The equation of a circle is given. Find the circumference of a circle. Write the circumference in terms of pi.

Mathematics
1 answer:
sattari [20]3 years ago
3 0
C=2πr and x^2+y^2=r^2
r=4 because of the equation (16)^1/2 is 4
C=8π 
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