If the circumference of a spherical object is 31.40 cm, what is the surface area of the object? Use 3.14 for pi.
Mathematics
arwolfgang
Question
If the circumference of a spherical object is 31.40 cm, what is the surface area of the object? Use 3.14 for pi.
1 Answer

1. User Answers egenriether
Circumference is 2*pi*r. From your circumference we get the radius of 5. Surface area of sphere is 4*pi*r^2 which gives 314 cm^2 for area