Question
The surface area of spherical ball of radius r is given by the formula S=4(22/7)r2. Find surface area of ball of diameter 12cm.
Answers
Ms. Sue
S=4(22/7)r^2
S = 4(22/7)(36)
S = (22/7)144
S = 3168/7
S = 452.57 sq. cm
S = 4(22/7)(36)
S = (22/7)144
S = 3168/7
S = 452.57 sq. cm