A cylinder

A cylinder 108 cm high has a circumference of 24 cm. A string makes exactly 6 complete turns around the cylinder while its two ends touch the cylinder's top and bottom. (forming a spiral around the cylinder).
How long is the string in cm?

Correct result:

x =  180 cm

Solution:




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Showing 2 comments:
#
Dr Math
Finding the length of the string is the same as finding the length of the hypotenuse of a triangle with a height of 48 cm and a base of a number of turns*circumference

#
Math student
Can u put this in sixth grade math terms

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