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Question
A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere of diameter ______.
Options
r cm
2r cm
h cm
2h cm
Solution
A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere of diameter 2r cm.
Explanation:
Because the sphere is surrounded within the cylinder, its diameter is equal to the cylinder's diameter, which is 2r cm.
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