1 Answer

LeeJB · Answer 1 · 2022-11-18T11:22:28+0000

Answer:

461.875 cubic cm

Explanation:

Volume of wood in the block

= volume of cuboid - 3 times the volume of one hemisphere

$=lbh - 3* (2)/(3) \pi r^3\\= 20* 7* 4 - 2* 3.14* (2.5)^3\\= 560 - 6.28* 15.625\\= 560 - 98.125\\= 461.875 \: cm^3$

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