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A right circular cylinder of radius $r\ cm$ and height $h\ cm (h>2r)$ just encloses a sphere of diameter. Find the value of the diameter.
Given: A right circular cylinder of radius $r\ cm$ and height $h\ cm (h>2r)$ just encloses a sphere of diameter.
To do: To find the value of the diameter.
Solution:
Diameter of the sphere$=$Diameter of base of cylinder$=2\times radius=2r$
$\therefore d=2r$
Thus, the diameter of the sphere is $2r$.
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