Question

how to find the radius and circumfernce in a circle

Answer 1

formula to find circumference \[\huge\rm C= 2 \pi r\] r =radius
if the given is diameter then you use \[C= \pi d \]
remember
radius is half of diameter \[\large\rm r=\frac{ d }{ 2 }\]

Answer 2

ive seen a problem where it just gives a circle and says find the radius..
how is that possible if it doesn't give anymore info on it?

Answer 3

do you have example like what ?

Answer 4

post the original question :=)

Answer 5

find the radius...