parallelograms Flashcards
A quadrilateral with opposite sides parallel
parallelogram
a 4 sided polygon; some of all angles adds up to 360 degrees
quadrilateral
opposite sides or angles of a parallelogram are
congruent
consecutive angles of a parallelogram are
supplementary
the diagonals of a parallelogram
bisect each other
rectangle, rhombus, squares
the types of a parallelogram
all right angles congruent, diagonals are congruent
rectangle parallelogram
has a right angle, all angles are congruent, congruent diagonals
methods to prove the quadrilateral is a parallelogram
- all sides are congruent
- perpendicular diagonals
- diagonals bisect the angles they connect
a rhombus that is a parallelogram
2 consecutive sides are congruent, perpendicular diagonals, diagonals bisect the angles they connect
methods of proving a rhombus is a parallelogram