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Mathematics 20 Online
OpenStudy (anonymous):

True/False: The radius of a circle can be any non zero real number.

OpenStudy (anonymous):

I believe this is false because a radius is a distance and distances can't be negative.

OpenStudy (anonymous):

agreed ^^... in addition, a radius of zero is called a degenerate circle....

OpenStudy (anonymous):

is this a law? @Calcmathlete

OpenStudy (anonymous):

it's a commandment... "Thou shall not take the radius to be negative"

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

LOL @dpaInc

OpenStudy (anonymous):

Okay.... thanks everyone!

OpenStudy (anonymous):

lol. In seriousness though, if you're obsessing over postulates, theorems, and laws, I believe it's a postulate?

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