Question

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The curved surface area of a right circular of height 14cm is 88cm². Find diameter of the base of the cylinder​

Answer 1

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Given ,  The height of cylinder =14cm 

and , the curved surface area of cylinder =88cm2

we know that , 

the curved surface area of cylinder =2πrh

and 2r=d

here , r=radius of cylinder , d=diameter of cylinder and h=height of cylinder

so , the curved surface area of cylinder =πdh =88cm2

  π×d×14=88

 722×d×14=88

d=2cm

 so, the diameter of the cylinder is 2cm.

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