Find the radius of a sphere with a surface area of $4\pi$ square feet.

r = 1 feet

Step-by-step explanation:

Given that,

The surface area of the sphere, A = 4π feet²

We need to find the radius of the sphere.

The formula for the surface area of the sphere is given by :

Where

r is the radius of the sphere

Put all the values,

So, the radius of the sphere is equal to 1 feet.

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step-by-step explanation:

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