Question

the volume of a cylinder of height 8cm is 1232 sq.cm . find its curved surface area and total surface area. ​

Answer 1

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Curved surface area of cylinder = 2πRH = 2 × 22/7 × 7 × 8 = 352 cm².

And, Total surface area of cylinder = 2πR ( R + H ) = 2 × 22/7 × 7 ( 7 + 8 ) = 44 ( 15 ) = 660 cm².