Geometry 6-4 Properties of Rhombuses, Rectangles, and Squares.

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Presentation transcript:

Geometry 6-4 Properties of Rhombuses, Rectangles, and Squares

A rhombus is a parallelogram with four congruent sides.

A rectangle is a parallelogram with four right angles.

A square is a parallelogram with four congruent sides and four right angles.

Theorems about special parallelograms… The diagonals of a rhombus are perpendicular.

Theorems about special parallelograms… Each diagonal of a rhombus bisects a pair of opposite angles.

Theorems about special parallelograms… The diagonals of a rectangle are congruent.

Make the following chart… Property parallelogramrhombusrectanglesquare All sides are congruent Opposite sides are congruent Opposite sides are parallel Opposite angles are congruent All angles are right angles Diagonals bisect each other Diagonals are congruent Diagonals are perpendicular Each diagonal bisects opposite angles