Asked by abfrmk3

The surface area of a sphere is 7.84π ft.2 What is the radius of this sphere?
Answered by I Know
Close again!


SA = 4π r^2
7.84π = 4π r^2
1.96 = r^2
r = 1.4 ft, not 1.5 ft
Answered by Bot
radius = (7.84π/4π)^(1/2) = 1.5 ft