Parallel Sides
This quadrilateral has 2 pairs of opposite sides that are parallel.
What is a parallelogram?
These quadrilaterals have all parallel sides.
What are parallelograms, rectangles, rhombuses, and squares?
These quadrilaterals have four congruent angles.
rectangles
True or False: A rhombus is a quadrilateral.
true
The sum of the interior angles of a quadrilateral
360
This quadrilateral has 2 pairs of opposite sides that are congruent and 4 right angles.
What is a rectangle?
True or False: If all sides of two parallelograms are congruent, then the parallelograms are congruent.
False
These quadrilaterals do not have congruent diagonals. (name at least two)
What are parallelograms, rhombuses, trapezoids, right trapezoids (not isosceles trapezoids,) kites
True or false: Like a square, the diagonals of a rectangle are congruent
True
The sum of the interior angles of a triangle
180
This quadrilateral has 4 congruent sides, the opposite sides are parallel, and has no right angles.
What is rhombus?
These quadrilaterals have one pair of parallel sides.
What are trapezoids?
These quadrilaterals diagonals are angle bisectors.
What are rhombuses and squares?
What is a trapezoid where the legs are congruent.
Isosceles Trapezoid
These quadrilaterals have diagonals that are congruent.
What are rectangles and squares?
What type of angles have we used in proofs involving parallelograms (name at least one)
opposite nterior angles and/or vertical angles.
These quadrilaterals have 4 congruent sides.
What are squares and rhombuses?
These quadrilaterals diagonals are perpendicular. (name at least two)
What are rhombuses, squares and kites?
Define quadrilateral.
A 4 sided polygon with interior angles that sum up to 360?
The diagonals of a rhombus intersect at what angle?
90 degrees
This Parallelogram has no interior angles equal to 90 degrees, and has a diagonal that is a line of symmetry.
These quadrilaterals have two pairs of adjacent sides that are congruent.
What are kites?
These quadrilaterals diagonals bisect each other.
What are all parallelograms?
This how you find the length of a squares side by using the length of the square diagonals.
pythagoream theorum?
True or False: The diagonals of a parallelogram necessarily bisect its angles
false