Properties of Parallelograms
Let’s begin our discussion of the Geometry of quadrilaterals with parallelograms. A parallelogram is a quadrilateral with both pairs of opposite sides parallel. For example, ABCD is a parallelogram with || and ||. Remember, the symbol || means parallel.
The following is a review of the properties of parallelograms from Geometry. |
Properties of the Angles of Parallelograms ABDC is a parallelogram with angles X, Y, Z, and W. Angles X and Z are opposite. Consecutive angles are next to each other or adjacent. |
Properties of the Sides of a Parallelogram LMON is a parallelogram. The opposite sides of a parallelogram are congruent. |
Properties of the Diagonals of a Parallelogram ABDC is a parallelogram with diagonals AD and BC that meet at point O. The diagonals of a parallelogram bisect each other. |