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Inessa05 [86]
3 years ago
7

If you know the radius of a circle but not the diameter how would you find the circumference

Mathematics
1 answer:
umka2103 [35]3 years ago
4 0
The diameter is just double the radius. You are doing d*pi, which can be rewritten as 2r*pi. Basically, if you have the radius, just double it and then you have the diameter.
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