A solid spherical ball with a radius of 21 e x t c m 21 ext{ cm} 21 e x t c m is melted and recast into n n n solid hemispherical bowls. The radius of...

Banking SBI PO Prelims Medium Simplification/ Approximation MCQ

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A solid spherical ball with a radius of $21 ext{ cm}$ is melted and recast into $n$ solid hemispherical bowls. The radius of each hemispherical bowl is half the radius of the original spherical ball. Find the total surface area of all the hemispherical bowls combined.

Options

$15846 \text{ cm}^2$

$16632 \text{ cm}^2$

$16028 \text{ cm}^2$

$16272 \text{ cm}^2$

$16748 \text{ cm}^2$

surface areaspherehemispheresmensurationvolumebanking exam

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A solid spherical ball with a radius of 21 e x t c m 21 ext{ cm} 21 e x t c m is melted and recast into n n n solid hemispherical bowls. The radius of...

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