A string is wound symmetrically around a circular rod............................What is the length of the string?

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A string is wound symmetrically around a circular rod.
The string goes exactly 4 times around the rod.
The rod has a circumference of 4 and a length of 12.
What is the length of the string?

posted Aug 1, 2020

Solving the equation
L=(Hexp2+Cexp2) exp 0,5 times N
H=Risé of string un one revolution
C=circuference
N=number of turons. 4

answer Aug 7, 2020 by anonymous

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