Mensurationhard · Past Paper
A cone is cut by a plane parallel to the base at the midpoint of its height. Find the ratio of the volume of the upper cone to the original cone.
A1:8
B1:4
C1:2
D1:7
✓ Correct Answer: A — 1:8
Height of upper cone is 1/2 of original. Ratio of volumes = (1/2)³ = 1:8.
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