Answer:
Explanation:
volume of cuboid=πr²h=π×40²×70=112,000 πcm³
=112,000×22/7
=352,00cm³
volume of cube=80×80×140=896,000 cm³
total volume=352,000+896,000=1248,000 cm³
Total mass=1248,000×8.05 gms=10046.400 kg
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