A rectangular sheet of cardboard 132 cm x 50 cm is rolled along its length and a cylinder is formed. Find the radius of the base of the cylinder.

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asked Mar 11, 2018 142k views

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Oleksandr Novik · Answer 1 · 2018-03-15T03:57:43+0000

Since it is rolled via it's length, the circumference of the circle must be 50 cm.

The formula for the circumference is 2
$\pi r$

50 = 2
$\pi r$
25 =
$\pi r$
7.95774715459 = r

Your radius should be approximently 7.96 cm. Hope this helps!

A rectangular sheet of cardboard 132 cm x 50 cm is rolled along its length and a cylinder is formed. Find the radius of the base of the cylinder.

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