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A circular hall(big room) has hemispherical roof. The greatest height is equal to the inner diameter.Find the area of the floor given that the capacity of

let radius of the hall = r As per question= Volume of cylindrical Hall + Volume of dome = πr²*r+ (4/3) πr³/2 = πr³ + 2πr³/3 =5πr³/3 then we have 5πr³/3=48510 r³=9264.72 ⇒ r=21.0028 Area of floor= πr²=π*441.118=1385.81 Floor area is 1385 m²