Question

the area of curved surface of a right circular cylinder is 6600cm and the circunference of its base is 55 cm. find the height of cylinder ​

Answer 1

Let the radius of the base be r

′

cm & height be h cm.

Now, curved surface area of cylinder =2πrh

Also, circumference of base, C=2πr=220cm

∴ Curved surface area of cylinder =220×h

⇒2200=220×h

⇒h= 220 = 10cm

2200

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