A Certain 4-Sided Figure Has the Following Properties

Multiple Choice

A certain 4-sided figure has the following properties.· Only one pair of opposite sides are parallel.· Only one pair of opposite sides are equal in length.· The parallel sides are not equal in length.Which of the following must be true about the sides that are equal in length?

A) They are perpendicular to each other.
B) They are each perpendicular to an adjacent side.
C) They are equal in length to one of the other two sides.
D) They are not equal in length to either of the other two sides.
E) They are not parallel.