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Question 68
Height of a right circular cylinder is 20 cm.If the radius is its base 14 cm, then what will be the curved surface area of the cylinder?
Solution
Height of cylinder = $$h=20$$ cm and radius = $$r=14$$ cm
Curved surface area of cylinder = $$2\pi rh$$
= $$2\times\frac{22}{7}\times14\times20=1760$$ $$cm^2$$
=> Ans - (C)
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