A solid metallic cylinder of radius 18 cms and height 16 3 cms. is melted and spherical balls of diameter 12 cms are made out of it. Find the number of balls made.
Answers
Answer:
Volume of the Spheec =
3
4
π×r
3
=
3
4
π×(
2
16
)
3
but r br the radius of the ball
8×
3
4
π×r
3
=
3
4
π×8
3
⇒8r
3
=8
3
⇒r
3
=8
2
=(2
3
)
2
⇒r
3
=(2
2
)
3
=4
3
∴r=4cm
Hence radius of the ball = 4 cm
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