find the height of cylinder whise radius is 7 cm and total surface area is 168 cm sq
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vaishanvi
Hai I am vaishanvi. ur answer is radius= 7cm and t.S.a is 168 cm sq let the height be x t.s.a =2π r(r+H) 2*22\7*7(7+x)=168 44*7+H= 168 308+H=168 h=168\308 h= 1.83
Answers & Comments
let the height be x
t.s.a =2π r(r+H)
2*22\7*7(7+x)=168
44*7+H= 168
308+H=168
h=168\308
h= 1.83