A metal pipe is 82cm long. The inner diameter is 12cm and outer diameter is 16cm. find its total surface area.
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Answered by
1
Answer:
2πr(r+h)
44*4(110)
176*110
1830cm²
Answered by
2
Answer:
this type of question
the formula is given
volume of the material =volume of outer cylinder -
volume of inner cylinder
Step-by-step explanation:
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