Question
Draw a parallelogram $\text{ABCD}$, with $AB = 6 \ cm, AD = 4.8 \ cm$ and $\angle DAB = 45^\circ$ . Draw the perpendicular bisector of side $AD$ and let it meet $AD$ at point $P$. Also, draw the diagonals $AC$ and $BD\ ;$ and let them intersect at point $O$. Join $O$ and $P$. Measure $OP$.

