Question 817113
Before change, {{{x=y}}}, and area is {{{xy}}}.


After change, {{{x/2}}} and {{{k*y}}} are the new values for the sides and this is now a rectangle.  k is a factor applying to y.


{{{xy=(x/2)(ky)}}}
{{{xy=xy(1/2)k}}}
{{{k=2}}}