1 Answer

Kishor · Answer 1 · 2024-08-09T22:31:12+0000

The volume of the composite solid is the total volume of the cube and the hemisphere.

a = side.

V(cube) = a x a x a = 8 x 8 x 8 = 512 (cm3)

V(hemisphere) = 2/3
$\pi$ r
r^(3) (r = 1/2a in this case) = 2/3 x 64 x
$\pi$ = 128/3
$\pi$

Therefore, the total volume = 8/3
$\pi$ + 512 = 646.0 (cm3) (nearest tenth)

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