d) Draw the image triangle P'Q'R' of
triangle PQR under a reflection in the
line y-axis,
where P→ P, QQ
and RR' .Write down the
coordinates of P', Q'and R'
e) the image triangle P"Q"R" of
triangle PQR under a rotation of 180°
about the origin, where P→P"
QQ" and R→ R". Write down
the coordinates of P", Q" and R"
f) Find P'R'
​