the curved surface area of a right circular cylinder of height 14cm is 88cm². find the diameter of the base of the cylinder.
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Given , The height of cylinder =14cm
and , the curved surface area of cylinder =88cm
2
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 =88cm
2
π×d×14=88
7
22
×d×14=88
d=2cm
so, the diameter of the cylinder is 2cm
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