The volume of a sphere is 3,000 cm3. find radius then figure what is the surface area of the sphere. find the radius of the sphere by setting the volume equal to the formula

First, find the radius
V = 3,000



 
# remember the equation above in order to find the surface area #


this is the radius in the term of π

r = 26.7686...
to the nearest tenth
r = 26.8
The radius is approximately 26.8 cm

Second, find the surface area
The following formula is a formula to find the surface area of a sphere
sa = 4 × π × r²

Remember the value of π × r² when we tried to solve for radius? See hash tag # above, π × r² = 2,250, thus
sa = 4 × π × r²
sa = 4 × 2,250
sa = 9,000
The surface area is 9,000 cm²