A circle has a circumference of 56.52 cm and a radius of 9 cm.

What number represents the ratio of the circumference to the radius of this circle?

4 answers

=56.52cm

The formula for the circumference of a circle is
=2πr

The radius =9cm

circumference =2πr

=2×3.14×9

=6.28×9

=56.52cm
They gave you both the circumference and the radius, so the ratio is
C/r = 56.52/9 = 6.28 = 2π
Ok, thank you for checking. I was wondering if i got that incorrect.
A circle has a circumference of 56.52 cm and a radius of 9 cm.

What number represents the ratio of the circumference to the radius of this circle?