A solid sphere of radius r is melted and cast into the shape of a solid cone of height r. The radius of the base of the cone is.
A. r
B. 3r
C. 4r
D. 2r
Answer:D
A solid sphere of radius r is melted and cast into the shape of a solid cone of height r. The radius of the base of the cone is.
A. r B. 3r C. 4r D. 2r