Verified Answer :

AL2006


The surface area of any sphere is    4 π (radius)².

When the radius is 1 ft, the surface area is

                                         4 π (1 ft)²  =  4π ft² .

                              

calculista

Answer:

 The surface area of the ball is \(4\pi\ ft^{2}\)

Step-by-step explanation:

we know that

The surface area of a sphere ( a ball) is equal to

\(SA=4\pi r^{2}\)

In this problem we have

\(r=1\ ft\)

substitute

\(SA=4\pi (1^{2})=4\pi\ ft^{2}\)

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