Question 1088576

given:
{{{a=r^2 -s^2}}}
{{{ b=2rs }}}
{{{c=r^2 + s^2}}}

Use the values {{{r=8}}} and {{{s=5}}} to generate a Pythagorean triple

{{{a=r^2 - s^2}}}
{{{a=8^2 - 5^2}}}
{{{a=64- 25}}}
{{{a=39}}}

{{{ b=2rs }}}
 {{{b=2*8*5}}}
 {{{b=80}}}

{{{c=r^2 + s^2}}}
{{{c=8^2 + 5^2}}}
{{{c=64+25}}}
{{{c=89}}}

{{{a=39}}}, {{{b=80}}},{{{c=89}}}

check:
{{{c^2=a^2 + b^2}}}
{{{89^2= 39^2 + 80^2}}}
{{{7921=1521+6400}}}
{{{7921=7921}}}