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AysviL [449]
4 years ago
5

What is the circumference of a circle that is 16pi. what's its radius?

Mathematics
2 answers:
Yanka [14]4 years ago
6 0
The circumference, perimeter or length of a circle is:
L = 2*pi*r   (r=radius)
Replace L=16pi into the formula and solve for r:
16pi = 2*pi*r
r= (16pi)/(2pi) = 16/2 = 8
The radius is 8
nikitadnepr [17]4 years ago
4 0
The radius is 8 because circumference is equal to pi times the diameter and since the diameter is 16, then the radius is 8
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