Question 1077079
w, the length of any side of the square.


Point Y cuts the side on which it is midpoint into two {{{w/2}}} lengths.


Whole Square Area:
{{{w^2}}}


The area for the two right triangles to be excluded:
{{{(w/2)*w}}}


Area of the kite:
{{{w^2-(1/2)w^2}}}

{{{highlight(w^2/2)}}}