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kvnmurthy19
@kvnmurthy19
October 2021
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A 20 m deep well of diameter 7 m. is dug and the earth got by digging is evenly spread out to form a rectangular platform of base 22m × 14m. Find the height of the platform.
Answers & Comments
conjureroman
Hey dear friend
See attachment ☝☝
Height of platform=2.5m
Be perfectionist
0 votes
Thanks 0
DaIncredible
Formula used :
Given,
The well is in the shape of cylinder.
The height of the well is 20m.
The diameter of the well is 7m.
The two dimensions of the rectangular platform (Length and Breadth) are 22m and 14m.
Height of the Rectangular platform = (to be calculated)
We know that,
Radius of the well =
Now, we know that
The earth taken out from the well = The earth spread out in the platform
Hence,
Putting the given values we get,
If any doubt, please ask! ;)
1 votes
Thanks 5
silu12
nice dear
DaIncredible
Thanks! Glad you liked that ☺️
silu12
yup
BrainlyKing5
That was great !!!
BrainlyKing5
awesome ☺️
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Answers & Comments
See attachment ☝☝
Height of platform=2.5m
Be perfectionist
Given,
The well is in the shape of cylinder.
The height of the well is 20m.
The diameter of the well is 7m.
The two dimensions of the rectangular platform (Length and Breadth) are 22m and 14m.
Height of the Rectangular platform = (to be calculated)
We know that,
Radius of the well =
Now, we know that
The earth taken out from the well = The earth spread out in the platform
Hence,
Putting the given values we get,
If any doubt, please ask! ;)