A solid right-circular cone of height 60 cm and radius 30 cm is dropped in a right-circular cylinder full of water of height 180 cm and radius 60 cm. Find the volume of water left in the cylinder, in cubic metres. [Use pie = 22/7]
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58
Answer:
1.98 m³
Step-by-step explanation:
Find the volume of the cone:
Volume = 1/3 πr²h
Volume = 1/3 π(0.3)²(0.6) =0.018π m³
Find the volume of the cylinder:
Volume = πr²h
Volume = π(0.6)²(1.8) = 0.648π m³
Find the water left in the cylinder:
Volume =0.648π - 0.018π = 1.98 m³
Answer: 1.98 m³
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