Math, asked by rajukumarssm1977, 16 days ago

Plz solve this question

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Answered by CB7th

0

Answer:

3.265m

Step-by-step explanation:

r = diameter/2 = 8/2 = 4m

volume of earth dug out = volume of cuboidal plot

pi r² h = l x b x h

22/7 x 4² x 20 = 22 x 14 x h

on solving, h = 160/49 = 3.265 m

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