What is the circumference and the area of a circle with a radius of 9.3mm.

5 answers

I don't remember the equations exactly, but I know there are equations to find that. Just go an a search engine and type in "circumference equation" or "area equation" and you'll find it.
The circumference formula is:

c = pi times diameter
OR
c = 2piradius

Sorry, I don't know how to make a pi symbol on the keyboard. :)

I couldn't find the area formula... but just place 9.3 in where I said radius.

Hope I helped! :)
Thanks Willow
area of circle = pi r^2
the island of momo