The surface area of sphere is 64rCm it’s diameter is equal to

1.	The surface area of sphere is 64rCm it’s diameter is equal to
Answer» ANSWER: The area of a disk enclosed by a circle of radius R is PIR2. ... Similarly, the volume of a ball enclosed by a SPHERE of radius R is (4/3)PiR3. And the formula for the surface area of a sphere of radius R is 4Pi*R2. And, you can check that the latter is the derivative of the former with respect to R. now U can solve easily

Answer»

The area of a disk enclosed by a circle of radius R is PI*R2. ... Similarly, the volume of a ball enclosed by a SPHERE of radius R is (4/3)*Pi*R3. And the formula for the surface area of a sphere of radius R is 4*Pi*R2. And, you can check that the latter is the derivative of the former with respect to R.

now U can solve easily

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The surface area of sphere is 64rCm it’s diameter is equal to

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