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Multiple choice

If $h$ is the height and $r$ is the radius of the base of a right circular cylinder of greatest volume that can be inscribed in a given sphere, then $h$ is equal to

  1. $2r$
  2. $\sqrt{2}r$
  3. $3r$
  4. $\dfrac {r}{\sqrt3}$
Reveal answer Fill a bubble to check yourself
D Correct answer

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