Question

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

Answer 1

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

Answer 2

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

Answer 3

is this a law? @Calcmathlete

Answer 4

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

Answer 5

:)

Answer 6

LOL @dpaInc

Answer 7

Okay.... thanks everyone!

Answer 8

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