i did it myself and i got 4.2 (b) hope its right
step-by-step explanation:
trapezoid
first i plotted all my points on a grid graph
i made sure all of them were in the correct quadrant
then i saw it was a trapezoid or a quadrilateral
it is not that hard all u have to do is plot the graph
jml angle lkj & angle mj = lm