1
A quadrilateral that has two pairs of parallel lines.
2
A quadrilateral with only one pair of parallel sides.
3
Two lines that will never cross.
4
Two lines that meet at a right/90 degree angle.
5
A quadrilateral that has 4 right angles and opposite sides that are congruent.
6
A line that connects opposite corners of a quadrilateral.
7
A polygon that has 4 sides.
8
A quadrilateral whose sides are congruent and has 4 right angles. The diagonals are congruent and perpendicular.
9
_________________ means "equal".
10
A quadrilateral all sides are congruent but angles don't have to be.
