a cylindrical jug of height 24 cm and radius of base 7cm is full of milk to be served in glasses by shape of frustum of cone.find the number of glasses. please answer fast
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Step-by-step explanation:
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Given : A cylindrical jug of height 24cm and radius of base 7cm is full of milk
glasses in the shape of frustum of a cone.
each glass is of height 9cm and radii of its
base ae 2cm and 1cm
To Find : Number of glasses that can be served
Solution:
Volume of cylinder = πr²h
Volume of jug = π * 7² * 24
frustum cone Volume = (1/3) π (r₁² + r₂² + r₁r₂)h
Volume of one glass = (1/3) π (2² +1² 2*1)9
= (1/3) π (4 +1+ 2)9
= 21π
Number of glasses that can be served = π * 7² * 24 / 21π
= 7 * 24 / 3
= 7 * 8
= 56
56 glasses can be served,
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