Geometry

Parallelogram properties

Opposite sides are congruent, opposite angles are congruent, consecutive angles are supplementary, diagonals bisect, opposite sides are parallel

Parallelogram defenition

A quadrilateral with two pairs of parallel sides

Square Properties

opposite sides are congruent, opposite angles are congruent, 2 pairs of parallel sides, diagonals bisect, diagonals are perpendicular, diagonals are same length, consecutive angles supplementary, diagonals bisect opposite angles

Rhombus Properties

Opposite sides are congruent, opposite angles are congruent, consecutive angles are supplementary, diagonals bisect, opposite sides are parallel, diagonals are perpendicular, diagonals bisect opposite angles

Rectangle Properties

Opposite sides are congruent, opposite angles are congruent, consecutive angles are supplementary, diagonals bisect, opposite sides are parallel, diagonals are congruent

Trapezoid defenition

quadrilateral with only one pair of parallel sides

Isoceles trapezoid properties

congruent legs, diagonals are congruent, opposite angles are supplementary

the non-parallel sides of a trapezoid

legs

The parallel sides of a trapezoid

bases

trapezoid properties

one pair of parallel sides, consecutive angles between parallel lines are supplementary

parallelogram family

parallelogram, rectangle, rhombus, square