The surface area of a sphere is 7.84π ft.2 What is the radius of this sphere?(1 point)
The surface area of a sphere is given by the formula 4πr^2, where r is the radius. We can set up the equation:
4πr^2 = 7.84π ft^2
Dividing both sides of the equation by 4π, we get:
r^2 = 1.96 ft^2
Taking the square root of both sides, we find:
r = 1.4 ft
Therefore, the radius of the sphere is 1.4 ft.