Math, asked by achhi970, 10 months ago

How many cubic metres of earth must be dug out to Sink a well to 22.5 metre Deep and of diameter 7m.

Answers

Answered by haridasan85

5

Vol=πr 2h=22x3.5^2 x 22.5/7

=866.25m3. Ans

Previous Question

Next Question

Similar questions

Chemistry, 5 months ago

Write nature of magnisum hydroxide. (iii) Ca (OH)2 + CO2 → ………………… + H2O (iv) Fe + O2 + H2O → ……………………….

Math, 5 months ago

constrauct a 2×2 matrix A=[aij ]whose element aij is given by:...

Social Sciences, 5 months ago

“Reforms of British rule became a boon for the cause of nationalism.”- ...

Biology, 10 months ago

Pneumatic bone are found in...

English, 10 months ago

I'd rather be single ____ in a bad relationship...

Environmental Sciences, 1 year ago

In Which country mosqitos have not present?

Math, 1 year ago

7) plz solve this question...

Math, 1 year ago

Ryan's mp3 player has 34 songs on it. There are 12 country songs, 10 rock songs, and 12 jazz songs. If Ryan randomly selects 2 songs, without replacement, what is the probability that one song will be country and one song will be rock?