FLASHCARDS: Characteristics of Quadrilaterals

Front

Quadrilateral definition

Back

Figure with 4 sides and 4 angles

Front

Sum of interior angles in a quadrilateral

Back

360 degrees

Front

Characteristics of a Parallelogram

Back

2 pairs of parallel sides

opposite angles are congruent

opposite sides are congruent

diagonals bisect each other

Front

Characteristics of a Rectangle

Back

2 pairs of parallel sides

all four angles are congruent

opposite sides are congruent

diagonals are congruent and bisect each other

Front

Characteristics of a Rhombus

Back

2 pairs of parallel sides

all four sides are congruent

opposite angles are congruent

diagonals are perpendicular and bisect each other

diagonals bisect the angles

Front

Characteristics of a Square

Back

2 pairs of parallel sides

all four sides are congruent

all four angles are congruent

diagonals are perpendicular, congruent, and bisect each other

diagonals bisect the angles

Front

Trapezoid definition

Back

one pair of parallel sides

generally no lines of symmetry unless an ISOSCELES TRAPEZOID (1 line)

only rotational symmetry of 360 degrees

Front

Diagonals of rectangle

Back

congruent & bisect each other

Front

Diagonals of rhombus

Back

perpendicular and bisect each other

also bisect the angles

Front

Diagonals of square

Back

perpendicular, congruent, and bisect each other

also bisect the angles