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16-06-2019
Mathematics

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Find the surface area of a sphere with a diameter of 4 units in terms of pi

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16-06-2019

Answer:

16π

Step-by-step explanation:

The surface area of a sphere is:

A = 4πr²

where r is the radius, or half the diameter.

If the diameter is 4 units, then the radius is 2 units:

A = 4π (2)²

A = 16π

The surface area is 16π square units.

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