Tutor-USA.com Worksheet
Geometry
Classifying Quadrilaterals

In exercises 1-5, first complete the statement then sketch the figure in your answer.

1) A ____________________ is a quadrilateral with both pairs of opposite sides parallel.
2) A ____________________ is a parallelogram with four congruent sides.
3) A ____________________ is a parallelogram with four right sides.
4) A ____________________ is a parallelogram with four congruent sides and four right angles.
5) A ____________________ is a quadrilateral with two pairs of congruent adjacent sides congruent and no congruent
opposite sides.
6) A ____________________ is a quadrilateral with exactly one pair of parallel sides.
7) An ____________________ is a trapezoid whose nonparallel opposite sides are congruent.

Judging by appearance, classify each quadrilateral in as many ways possible.

Find the values of the variables. Then find the lengths of the sides.

12) Square
13) Isosceles Trapezoid