The bottom of a right cylindrical shape result made from metallic sheet is closed by a cone shaped vessel as shown in the figure the radius of the circular base of the cylinder and the radius of circular base of a cone are equal to 7 cm if the height of the cylinder is 20 cm and height of 2.3 centimetre calculate the cost of milk to be filled completely this vessel at the rate of rupees 20 per litre
nishanthbillava2003:
heya todays paper
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Diameter = 14
Height = 20
Volume = π*r^2*h = π (14/2)^2 * 20 = 980π
Total Time = Capacity to be filled / rate = (980π/2) / π = 490 Minutes
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