Question

Circle X has radius r X = 6 units and circumference C X = 12 π units.

Circle Y has circumference C Y = 6 units.

Which equation is true?

rY = 1/2rX
rY = 2πrX
rY =pi/3
rY =3/pi

Answer 1

circumference is equal to 2pi(r) So substitute 6 for the circumference. You get

6=2pi(r)

Now rearrange the equation so that r is by itself to find your answer.

Answer 2

would it be the last one?

Answer 3

yes

Answer 4

thank you!!!!!!!!!!!!!

Answer 5

your welcom