Posted by jenny on .
what is the surface area of a sphere if the radius, r, is 6 meters

geometry 
Ms. Sue,
You need another measurement to find the surface area.
http://www.math.com/tables/geometry/surfareas.htm#sphere 
geometry 
bobpursley,
Surface area of a sphere is 4 PI r^2

geometry 
Ms. Sue,
Thanks, Bob, I was wrong. I was thinking of a cylinder, not a sphere.