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velikii [3]
3 years ago
11

*** PLEASE HELP IM TIMED

Mathematics
2 answers:
mart [117]3 years ago
5 0
The first one because it’s the actual formula for a sphere and it has pie at the end because we are solving for a sphere
pychu [463]3 years ago
5 0

Archimedes solved this in his famous book <em>Sphere and Cylinder</em> in 225 BC.  The result is reportedly on his tombstone.

The ratio of the volume of the radius r sphere to the cylinder radius r, height 2r is

\dfrac 2 3

The same ratio is the ratio of the surface area of the sphere to that of the cylinder (including the ends).

Answer: Last choice

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