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The large sphere is curved out …

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The large sphere is curved out of a cube of sides 21cm.find the volume of sphere? (π=22/7)

Posted by Sri Adithya Yaddanapudi 8 years, 9 months ago

Rupender Singh 8 years, 9 months ago

Side of Cube = 21 cm = diameter of sphere

{tex}\therefore {/tex} radius of sphere, r = {tex}\frac{21}{2}{/tex}cm

Volume of sphere = {tex}\frac{4}{3} \pi r^3{/tex}

= {tex}\frac{4}{3} × \frac{22}{7} × \frac{21}{2} × \frac{21}{2} × \frac{21}{2}{/tex}

= 4851 {tex}cm^3{/tex}

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