This is a quiz problem i had that i got wrong and i was hoping somebody could give me the correct answers to this problem..

The following points a=[0,2] b=[1,2] c=[0,0] d=[1,-2] form a trapezoid.

a). Make a graph of the figure.

b.) What are the vectors corresponding to the sides?

c.) What are the length of the sides?

d.) What is the measure of the angels in c?

e.) Find the vectors corresponding to the diagonals.

f.) Are the diagonals perpendicular?

I only got a & b correct.