Q. 515.0( 1 Vote )
The curved surfac A. 10 cm
B. 15 cm
C. 20 cm
D. 40 cm
Answer :
Given: The radius of a cylinder is 14 cm.
Its curved surface area is 1760 cm2.
Curved surface area of a Cylinder is : 2πrh (here r and h are radius and height respectively)
∴ 2πrh = 1760
⇒ 2 × π × 14 × h = 1760
⇒h = 
= 20 cm
∴ h = 20cm
That is height of the given Cylinder is 20cm.
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