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Total surface area of a cylinder is A) 2πr (r + h) B) πrl C) πr (l + r) D) 2πrh |
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Answer» Correct option is (A) 2πr (r + h) Total surface area of a cylinder = Curved surface area of cylinder + Area of base + Area of top \(=2\pi rh+\pi r^2+\pi r^2=2\pi rh+2\pi r^2\) = \(2\pi r\,(r+h)\) A) 2πr (r + h) |
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