4πr², Surface area, (4/3)πr³, Volume, 2πr2, hemisphere, cm3, A hemispherical bowl has an inner radius of 10.5 cm. water it can hold?, 616 cm2, A spherical water tank placed in a garden. The tank has a radius of 7 cm in a scale model. The engineers need to calculate the amount of material required to cover its outer surface, Help them, cylinder / sphere/ cube (which one), The smallest surface area among all solid shapes having the same volume.

Sphere

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