the outer and inner radii of hollow sphere are 12 cm and 10 cm .find its volume
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Volume of the hollow sphere = ![4/3 \pi [ r^2_{1} - r^2_{2} ]](https://tex.z-dn.net/?f=4%2F3+%5Cpi+%5B+r%5E2_%7B1%7D+-++r%5E2_%7B2%7D+%5D "4/3 \pi [ r^2_{1} - r^2_{2} ]")
here r1 = 12 and r2 = 10.
so volume = 4/3 * 22/7 * [ 144 - 100 ]
= 4/3 * 22/7 * 44
= 138.3809 cubic cm.
here r1 = 12 and r2 = 10.
so volume = 4/3 * 22/7 * [ 144 - 100 ]
= 4/3 * 22/7 * 44
= 138.3809 cubic cm.
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138.4 is the volume for this
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