A hollow sphere of internal and external diameters 4cm and 8cm respectively is melted to a cone of base diameter 8cm. The height of the cone is.
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Answered by
6
Answer:
14 cm
Step-by-step explanation:
external diameter of sphere=8cm=
radius=4cm
internal diameter of sphere=4cm=radius 2cm
diameter of base of cone=8cm=radius=4cm
volume of cone= volume of the material in the sphere
1/3π(4)^2×h=4/3π( R^3-r^3)
16h=4(4^3-2^3)
h=4×56/16= 14cm
Answered by
15
★External radius = 4cm
★Internal radius = 2cm
★Volume of Sphere :-
★Radius of resulting cone = 4cm
★Volume of cone :-
= 14
★Therefore
★Height of cone is 14 cm
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