Surface Area of a Sphere (equation derived with calculus)
2:28
Volume of a Sphere (equation derived with calculus)
15:51
Pero ¿por qué la superficie de una esfera es cuatro veces su sombra?
13:41
Proving the volume and the surface area of a sphere by using integrals
7:21
Volume of a sphere with a triple integral
11:05
How did they figure out the area of a circle is πr² ?
4:55
Volume of a Sphere
4:14
The Volume of a Sphere - Numberphile
12:22