a metal pipe is 77 cm long the inner diameter of a cross section is 4 cm the outer diameter being 4.8 cm find its inner curved surface area
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Answered by
7
answer is 968
because curve surface area of cylinder is2πrh
π=22 or 3.14
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7
r=radius
h=height or length
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because curve surface area of cylinder is2πrh
π=22 or 3.14
---
7
r=radius
h=height or length
-----
seemayadav:
give me full solution
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