what is
the ratio of total surface area to lateral surface area of a cylinder whose radius is 80cm and height 20 cm
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what is
the ratio of total surface area to lateral surface area of a cylinder whose radius is 80cm and height 20 cm
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ratio = total surface area of cylinder/curved surface area of cylinder
= 2×pi×r(r+h)/ 2×pi×r×h
=r+h/h
=80+20/20
=100/20
=50
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