A ring of diameter 3.5 feet and height 1 foot is made from cement and concrete. A well is made from 32 such rings. Find the cost for constructing the well at the rate of Rs2000 per ring. If the water level in the well covers upto the 18th ring, find the volume of water in the well.
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- Furthermore after the water table is reached, a cylindrical caisson is normally lowered the vast majority of dug wells are found to have diameters in the range of 1.2 to 1.
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Step-by-step explanation:
radius (r) =d/2
=3.5/2= 1.75ft
height of a ring(h)=1ft
∵cost for 1 ring =Rs1200
∴cost for making well with 32 rings= 32*1200
=rs 38400
∴Volume of water= volume of 18 rings
=18×πr²h
=18×22/7 ×1.75²×1
=173.25ft³
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