Question

A circle has a circumference of 9 π 9π9, pi. What is the diameter of the circle?

Circumference

Answer 1

`9`

Explanation:

`"the circumference (C) of a circle is calculated using"`

`•color(white)(x)C=pidlarrcolor(blue)"d is the diameter"`

`"here "C=9pi`

`rArrd=C/pi=(9cancel(pi))/cancel(pi)=9`