$A$`A`$\left(-3,-4\right)$(−3,−4), $B$`B`$\left(-5,2\right)$(−5,2) and $C$`C`$\left(-11,0\right)$(−11,0) form three vertices of square $ABCD$`A``B``C``D`, where $T$`T` is the midpoint of the diagonal $AC$`A``C`, and vertex $D$`D` is represented by the coordinates $D$`D`$\left(p,q\right)$(`p`,`q`).