Asked by ezedin wabela
total surface area of righ circular cylinder of hight 1cm and radius 70cm?
Answers
Answered by
Steve
the curved surface is just a rectangle of width 2πr=140π and height 1
the top and bottom are circles of area πr^2 = 4900π
So, add it all up.
the top and bottom are circles of area πr^2 = 4900π
So, add it all up.
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