When the diameter of a marble is 42cm find its c.s.a and volume
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If diameter of a marble=42cm the it's radius will be 21cm
volume of a sphere=4/3pie r^3 put the value
4/3pie×21×21×21=12348pie cm^3
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Answer:
CSA=5544 cm^2
VOLUME=38808 cm^3
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