Vocab Flashcards
A quadrilateral with four congruent sides, or an equilateral quadrilateral
Rhombus
A quadrilateral with four right angles, or an equiangular quadrilateral
Rectangle
A quadrilateral with 4 right angles and 4 congruent sides, or a quadrilateral that is equiangular and equilateral
Square
A regular quadrilateral
Square
A quadrilateral that is both a rectangle and a rhombus
Square
The diagonals bisect each other in this type of quadrilateral
Parallelogram & Rectangle & Rhombus & Square
The diagonals are congruent in this type of parallelogram
Rectangle & Square
Diagonals are perpendicular in this type of parallelogram
Rhombus & Square
Diagonals are angle bisectors in this type of parallelogram
Rhombus & Square
Diagonals form 4 congruent right triangles
Rhombus & Square
A quadrilateral with exactly one pair of parallel sides
Trapezoid & Isosceles Trapezoid
A trapezoid with congruent legs
Isosceles Trapezoid
A quadrilateral with exactly one pair of parallel sides and a different pair of congruent sides
Isosceles Trapezoid
A trapezoid with congruent diagonals
Isosceles Trapezoid
The base angles are congruent in this kind of trapezoid
Isosceles Trapezoid
A parallelogram with congruent diagonals must be this
Rectangle
A quadrilateral in which both pairs of opposite sides are parallel must be this
Parallelogram
A quadrilateral in which both pairs of opposite sides are congruent must be this
Parallelogram
A quadrilateral in which both pairs of opposite angles are congruent must be this
Parallelogram
A quadrilateral in which all pairs of consecutive angles are supplementary
Parallelogram
The sum of the angles in every quadrilateral
360
