Question

The curved surface area of the cylinder is 13860sq cm if its height is 63cm then find the circumference of the both circular ends of the cylinder​

Answer 1

Given:

Curved surface area = 13860 cm²

Height = 63 cm

To Find:

Find the circumference

Formula:

Curved surface area of a cylinder = 2πrh

Circumference = 2πr

Solution:

Find the circumference

Curved surface area of a cylinder = 2πrh

Curved surface area of a cylinder = 13860

2πrh = 13860

2πr(63) = 13860

2πr = 13860 ÷ 63

2πr = 220 cm

Circumference = 2πr

Circumference = 220 cm

Answer: The circumference is 220 cm

Answer 2

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Refer to the attachment!!

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