A cylindrical tube open at both ends is made of iron 3 cm thick. If the external diameter is 42 cm and the
length of the tube is 140 cm, find the volume of the metal used in it.
plz. guys solve my question
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A cylindrical tube open at both ends is made of iron 3 cm thick. If the external diameter is 42 cm and the
length of the tube is 140 cm, find the volume of the metal used in it.
plz. guys solve my question
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Answer:
468cm
Step-by-step explanation:
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Answer:
1,94,040cm²
Step-by-step explanation:
Radius= 21cm
Height= 140cm
Volume of cylinder= πr²h
=22/7*21*21*140
=1,94,040cm²