figure shows metal pipe 77 cm long the interior diameter of cross section is 4 cm and the outer one is 4.4 cm find its inner curved surface area
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Answered by
5
inner curved surface area =2πrh
interior radius=2cm
h=77cm
2x22/7x2x77
2x22x2x11
2x22x22
968cmsq
hope it helped
interior radius=2cm
h=77cm
2x22/7x2x77
2x22x2x11
2x22x22
968cmsq
hope it helped
KHITESHKUMAR:
it helped me a lot
Answered by
1
mathboss is correct,
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