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Surface area of a solid

Curved surfac...

Question

Curved surface area of a right circular cylinder is $4.4 m^{2}$ . If the radius of the base of the cylinder is $0.76 m$ , find its height.

1 m

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2 m

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4 m

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0.5 m

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Solution

The correct option is A $1 m$
CurvedSurface Area of a Cylinder of Radius "R" and height "h" $= 2 π R h$
Given, CSA of the given cylinder $= 2 \times \frac{22}{7} \times 0.7 \times h = 4.4 s q m$
$h = 1 m$

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