Question

If the diameter of a cylinder
is 28 cm and its height is 20 cm,
then its curved surface area is​

Answer 1

Answer:

2992

Step-by-step explanation:

If the diameter of a cylinder is 28 cm and its height is 20 cm, then total surface area (in cm

2

) is:

Answer 2

Answer-

7040cm square

Explination

Given :

Diameter of Cylinder is 28cm.

Height of Cylinder is 20cm.

To Find :

Curved Surface Area of Cylinder.

Solution :

Using Formula :

Putting Values :

So , The Curved Surface Area of Cylinder is 7040cm²..

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C.S.A of Cylinder = 2πrh

T.S.A of Cylinder = 2πr(r+h)

Volume of Cylinder = πr²h

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