1.

In a right circular cone, the radius of its base is 7 cm and its height is 24 cm. A cross-section is made through the mid-point of the height parallel to the base. The volume of the upper portion is :

A. 54 cm3
B. 69 cm3
C. 00 cm3
D. 078 cm3
Answer» B. 69 cm3


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