Question

How many spherical balls of diameter 1 cm can be made from an iron ball of diameter 8 cm​

Answer 1

Answer:

512

Step-by-step explanation:

Plz refer to the image

Answer 2

Answer:

64

Step-by-step explanation:

volume of sphere = 4/3 pi r^2

diameter of the iron ball = 8 cm

radius of the iron ball = 4cm

diameter of the spherical ball = 1 cm

radius of the spherical ball = 1/2 cm

As per the question

= 4/3 pi 4^2 ÷ 4/3 pi 1/2^2

= 4/3 pi 16 ÷ 4/3 pi 1/4 { 4 gets cancelled }

= 64pi/3 ÷ pi/3

= 64pi/3 × 3/pi { 3 gets cancelled }

= 64pi / pi { pi gets cancelled }

= 64 spherical balls can be made from an iron ball of diameter 8 cm.