a cylindrical well with radius 14 M and depth 30 M is dog and the earth dog out is spread evenly on a rectangular plot measuring 308 Mintu to 4 p.m. buy how many cm will the level of the plot rice
a cylindrical well with radius 14 M and depth 30 M is dog and the earth dog out is spread evenly on a rectangular plot measuring 308 Mintu to 4 p.m. buy how many cm will the level of the plot rice
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Depth of well = 30 m
Volume of well= pi *r^2 *h
= 22*14*14*30/7
= 660 *14*2
= 18480
Now,
Area of plot = length *width
= 308 * 240
= 73920
Now,
Height of plot = Volume of well / Area of plot
= 18480 / 73920
= 0.25 m
Height of plot = 0.25 m
= 25 cm
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