Question

A well of diameter 2 .1 m is dug to the depth of 4 m . The volume of earth removed is​

Answer 1

ANSWER

Given, Diameter =4 m

Radius =2 m h=21 m

V=πr

2

h=π(2)(2)(21)=84π

Volume of soil dug from well = volume of earth used to form embankment

⇒84π=π(5

2

−2

2

)h

h=

25−4

84

=

21

84

=4m

mak me as Brainlist

Answer 2

Answer:

4 m is answer.........