Question

19. A nonoverlapping layer of hemispherical blocks is
laid on the base of a cuboidal box with a square
base of side 42 cm and height 70 cm. Another
identical layer is then laid above it and this process
is repeated till the blocks reach the top of the box.Find the empty volume in the box, if the radius of each block is 7cm ​

Answer 1

Answer:

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