four times the area of curved surface of a cylinder is equal to 6 times the sum of the area of its two bases if its size is 12 find its curved surface area.

Question

four times the area of curved surface of a cylinder is equal to 6 times the sum of the area of its two bases if its size is 12 find its curved surface area.​

Luna · Answer

Solution  :  -        Curved Surface Area cylinder = 2πrh       Area of the base = πr²      Sum area of the base= πr²+πr²= 2πr²sq.cm    A.T.Q     => 4 (2πrh) = 6 × 2πr²      => 8πrh = 12πr²      => 2h = 3r      => 2 × 12 = 3r               r = 8cm.      Curved Surface Area cylinder = 2πrh     => 2 × 22/7 × 8 × 12      => 4224/7      => 603.42 sq.cm

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1 thought on “four times the area of curved surface of a cylinder is equal to 6 times the sum of the area of its two bases if its size is 12 fin”

Solution:–

A.T.Q

r = 8cm.

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four times the area of curved surface of a cylinder is equal to 6 times the sum of the area of its two bases if its size is 12 fin