Four times the area of curved surface of a cylinder is equal to 6 times the sum of the areas of its bases .if its height is 12cm.find its C.S.A
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curved surface area of cylinder= 6×area of bases
2×pie×r×h= 6×pie×r ^2
h= 3r
12 cm= 3r
r=4 cm.
c.s.a of cylinder=2×pie ×r×h
2×22/7×4× 12 cm ^2
=2,112/7 cm ^2.
2×pie×r×h= 6×pie×r ^2
h= 3r
12 cm= 3r
r=4 cm.
c.s.a of cylinder=2×pie ×r×h
2×22/7×4× 12 cm ^2
=2,112/7 cm ^2.
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