In a right circular cone the radius of its base is 6 cm and its height is 14 cm A cross section is m...........

Quantitative Aptitude ( CCS) Mensuration 3D

In a right circular cone the radius of its base is 6 cm and its height is 14 cm. A cross section is made through the mid-point of the height parallel to the base. The volume of the lower portion is?

528 cm³

366 cm³

498 cm³

462 cm³

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Explanation:

Volume of cone= 1/3 π*r² * h
Volume of lower part=volume of full cone-volume of upper cone
for full cone take r=6, h=14
for upper cone take r1=r/2=3 and h=7
volume of lower part=528-66=462