Question 249228
Assuming it is a right triangle, the Pythagorean formula applies:
{{{c^2 = a^2 + b^2}}}
{{{c^2 = 6^2 + 11^2}}}
{{{c^2 = 36 + 121}}}
{{{c^2 = 157}}}
{{{sqrt(c^2) = sqrt(157)}}}
{{{c = 12.5299}}}