Question 850247
{{{a^2 + b^2 = c^2}}}


{{{12^2 + 6^2 = c^2}}}


{{{144+36 = c^2}}}


{{{180 = c^2}}}


{{{c^2 = 180}}}


{{{c = sqrt(180)}}}


{{{c = sqrt(36*5)}}}


{{{c = sqrt(36)*sqrt(5)}}}


{{{c = 6*sqrt(5)}}}



The exact length of the string is {{{6*sqrt(5)}}} feet