Mensurationmedium · Past Paper
Find the volume of a right circular cone with radius 3.5 cm and height 12 cm.
A154 cm^3
B462 cm^3
C115.5 cm^3
D77 cm^3
✓ Correct Answer: A — 154 cm^3
Volume = (1/3)*(22/7)*(3.5)*(3.5)*12 = (1/3)*(22/7)*(7/2)*(7/2)*12 = 154 cm^3.
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