Question

5. The ratio of radius and height of a cylinder is The total surface area of Cylinder is 1570 .Find the CSA of cylinder​

Answer 1

Step-by-step explanation:

""Given:

The curved surface area of a cylinder is five times the area of its base.

Concept used:

The curved surface area of a cylinder = 2πrh

The area of base of a cylinder = πr2

Calculation:

According to the question,

2πrh/πr2 = 5/1

⇒ 2h/r = 5/1

⇒ r : h = 2 : 5

The ratio of the radius and height of the cylinder is 2 : 5.*"

Answer 2

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