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Oops. I think your circumference is really 2 x pi x radius (not radius squared, that's area). Funnily, you knew where you wanted to end up, and that's why C = pi x diameter worked!
Yes you are correct - nerves when filming, should have been C=2piR or as stated C=piD. Great catch!
Oops. I think your circumference is really 2 x pi x radius (not radius squared, that's area). Funnily, you knew where you wanted to end up, and that's why C = pi x diameter worked!
Yes you are correct - nerves when filming, should have been C=2piR or as stated C=piD. Great catch!