Question

A rectangular paper of width 7cm is rolled out along its width and a cylinder of radius 10cm is formed. Find the curved surface area of the cylinder. *​

Answer 1

Answer:

The curved surface of the cylinder is 225 cm².

Explanation:

Answer 2

Answer:

439.6 is the answer

Explanation:

GIVEN:

Rectangular paper of width = 7 cm  .

Height of cylinder =  h  =  7 cm = width of the rectangular paper

Radius of cylinder =  r  = 10 cm

formula for the curved sufrace area of cylinder  =  2πrh

TO FIND:

The curved surface area of the cylinder

SOLUTION:

2*3.14*10*7 = 439.6

ANSWER:

The curved surface area of the cylinder = 439.6 sq.cm²

Therefore, the curved surface area of the cyclinder = 439.6 sq.cm²

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