1.

The volume of a right circular cylinder is 3 times the volume of a right circular cone. The radius of the cone and the cylinder are 3 cm and 6 cm respectively. If the height of the cylinder is 1 cm, then what is the slant height of the cone?

A. 5 cm
B. √15 cm
C. 4 cm
D. √13 cm
Answer» B. √15 cm


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