find the surface area when the radius of a sphere is 5cm the function isV(r)=4*pi*r^2 where pi= 3.1416 start?
by substituting r=5 into the equation then simplify 2ab 3dg 4gh
- Roger the MoleLv 71 decade agoFavorite Answer
area = 4*pi*r^2
r = 5cm
pi = 3.1416
area = 4*3.1416*5^2 = 4*3.1416*25 = 314.16 cm^2
Still have questions? Get your answers by asking now.