Question

To prove quadrilateral ABCD is a parallelogram, one must justify that....

Answer 1

HELP

Answer 2

the opposite sides are parallel.

Answer 3

which one would it be
A.) AB || CD.
B.)AD||BC.
C.)both of the above.
D.)Neither of the above.

Answer 4

A
anyways, you should mention what are the points.

Answer 5

thanks