A. Definitions
A sphere is a 3-dimensional figure in which the distant from the center to the edge is the same at every point.
B. Basic Memorizations
Surface Area =
Volume =
C. Examples
Ex [1] The surface area of a sphere of radius 3" is _____ in2.
a. The answer is .
Ex [2] The volume of a sphere of radius 6cm is _______ cm3.
a. The answer is