Math, asked by vaibhavsharma27, 4 months ago

how many cubic metres of earth must be dug out to sink a well 16m deep having the radius of the base as 3.5m if the earth taken out is spread over a rectangular plot of dimensions 25cm x 16cm what is the height of the platform

Answers

Answered by kumarghoshabhijit

1

Answer:

RADIUS=diameter/2=7/2cm

Height of cylinder=pir^2h=22/7×7/2×7/2×16

=22/7×49/4×16

=616^2cubic.cm

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