Question 932797


to know if the {{{15}}},{{{36}}},{{{39}}} is right triangle, use Pythagorean theorem:

{{{c^2=a^2+b^2}}}....{{{a=15}}},{{{b=36}}},{{{c=39}}}


{{{39^2=15^2+36^2}}}

{{{1521=225+1296}}}

{{{1521=1521}}} =>  true; so, these are the sides of the right triangle