Answer
Converse :
if $x^{2}=y^{2}$ then $x=y$
Taking square root on both sides,we get:
$x=+y$ $OR$ $x=-y$
Since $x$ and $y$ may have opposite signs,the converse may not be true for all cases
Work Step by Step
Converse :
if $x^{2}=y^{2}$ then $x=y$
Taking square root on both sides,we get:
$x=+y$ $OR$ $x=-y$
Since $x$ and $y$ may have opposite signs,the converse may not be true for all cases