A school provides milk to the students daily | vedclass

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(A) The diameter of the cylindrical glass is $d = 7\, cm$, so the radius is $r = 3.5\, cm$.The height of the milk in the glass is $h = 12\, cm$.The vo

Vedclass · Accepted Answer

$739$

Vedclass · Answer

(A) The diameter of the cylindrical glass is $d = 7\, cm$, so the radius is $r = 3.5\, cm$.The height of the milk in the glass is $h = 12\, cm$.The volume of milk in one glass is given by the formula $V = \pi r^2 h$.$V = \frac{22}{7} 	imes 3.5 	imes 3.5 	imes 12 = 22 	imes 0.5 	imes 3.5 	imes 12 = 462\, cm^3$.Since $1000\, cm^3 = 1\, litre$, the volume of milk in one glass is $0.462\, litres$.For $1600$ students, the total milk required is $1600 	imes 0.462 = 739.2\, litres$.

$A$ school provides milk to the students daily in cylindrical glasses of diameter $7\, cm$. If the glass is filled with milk up to a height of $12\, cm$, find how many litres of milk is needed to serve $1600$ students. (in $0.2$)

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