Question

The radius of a circle is r. Its diameter is____.

Answer 1

Answer:

please mark after brainliest answer

radius of a circle is hard than the diameter of an circle is r²

Answer 2

Step-by-step explanation:

$we \: know \: that \: the \: radius \: of \: a \: circle \: \\ is \: double \: the \: diameter \\ \\ so \: if \: the \: radius \: is \:. r .\: then \: its \: diameter \: is..2r$