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Find the surface area of a sphere having a radius of 4".

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asked Jul 26, 2016 in PRECALCULUS by anonymous

1 Answer

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Find the surface area of the sphere.

The radius is image.

Surface are of the sphere formula is image.

Substitute image in the formula for surface area.

image

The surface area of the sphere is image

answered Jul 26, 2016 by Anney Mentor

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