Please help me, urgent PLESDE

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq