Properties of Quadrilaterals (always, sometimes, never)

A rectangle is ___ a parallelogram.

always

A rectangle is ___ a quadrilateral.

always

A rhombus is ___ a parallelogram.

always

A rhombus is ___ a quadrilateral.

always

A square is ___ a parallelogram.

always

A square is ___ a quadrilateral.

always

A square is ___ a rectangle.

always

A square is ___ a rhombus.

always

A trapezoid is ___ a quadrilateral.

always

An isosceles trapezoid is ___ a quadrilateral.

always

An isosceles trapezoid is ___ a trapezoid.

always

Diagonals of a parallelogram ___ bisect each other.

always

Diagonals of a rectangle ___ bisect each other.

always

Diagonals of a rectangle are ___ congruent.

always

Diagonals of a rhombus ___ bisect each other.

always

Diagonals of a square ___ bisect each other.

always

Diagonals of a square are ___ congruent.

always

Diagonals of an isosceles trapezoid are ___ congruent.

always

Opposite angles of a parallelogram are ___ congruent.

always

Opposite angles of a rectangle are ___ congruent.

always

Opposite angles of a rhombus are ___ congruent.

always

A kite is ___ a square.

never

A kite is ___ a trapezoid.

never

A kite is ___ an isosceles trapezoid.

never

A rhombus is ___ a rectangle.

never

A rhombus is ___ a trapezoid.

never

A rhombus is ___ an isosceles trapezoid.

never

A square is ___ a kite.

never

A square is ___ a trapezoid.

never

A square is ___ an isosceles trapezoid.

never

A trapezoid is ___ a kite.

never

A trapezoid is ___ a parallelogram.

never

A trapezoid is ___ a rectangle.

never

A trapezoid is ___ a rhombus.

never

A trapezoid is ___ a square.

never

An isosceles trapezoid is ___ a kite.

never

An isosceles trapezoid is ___ a parallelogram.

never

An isosceles trapezoid is ___ a rectangle.

never

An isosceles trapezoid is ___ a rhombus.

never

An isosceles trapezoid is ___ a square.

never

Diagonals of a kite are ___ congruent.

never

Diagonals of a trapezoid ___ bisect each other.

never

Diagonals of an isosceles trapezoid ___ bisect each other.

never

Opposite angles of a trapezoid are ___ congruent.

never

Opposite angles of an isosceles trapezoid are ___ congruent.

never

A quadrilateral with two pairs of opposite sides parallel is a ___.

parallelogram

A quadrilateral with four congruent sides is a ___.

rhombus

A quadrilateral is ___ a rhombus.

sometimes

A quadrilateral is ___ a square.

sometimes

A quadrilateral is ___ a trapezoid.

sometimes

A quadrilateral is ___ an isosceles trapezoid.

sometimes

A rectangle is ___ a square.

sometimes

A rhombus is ___ a square.

sometimes

A trapezoid is ___ an isosceles trapezoid.

sometimes

Diagonals of a parallelogram are ___ congruent.

sometimes

Diagonals of a rhombus are ___ congruent.

sometimes

Diagonals of a trapezoid are ___ congruent.

sometimes

Opposite sides of a quadrilateral are ___ congruent.

sometimes

A quadrilateral with four right angles and four congruent sides is a ___.

square

The only regular quadrilateral (congruent sides and angles) is the ___.

square

Two angles are ___ if the sum of their measures is 180 degrees.

supplementary

Another name for a trapezoid is ___.

trapezium

A quadrilateral with exactly one pair of opposite sides parallel is a ___.

trapezoid

A parallelogram is ___ a rectangle.

sometimes

The interior angle sum of any quadrilateral is ___.

360 degrees

A kite is ___ a quadrilateral.

always

A pair of consecutive sides of rhombus is ___ congruent.

always

A pair of consecutive sides of square is ___ congruent.

always

A parallelogram is ___ a quadrilateral.

always

Opposite angles of a square are ___ congruent.

always

Opposite sides of a parallelogram are ___ congruent.

always

Opposite sides of a rectangle are ___ congruent.

always

Opposite sides of a rhombus are ___ congruent.

always

Opposite sides of a square are ___ congruent.

always

The length of a trapezoid's midsegment is the ___ of the bases.

average (sum divided by two)

The parallel sides of a trapezoid are the ___.

bases

A polygon is _____ if there are "dents" or indentations in it (where the internal angle is greater than 180°)

concave

Congruent angles have ___ measures.

equal

Congruent sides have ___ side lengths.

equal

A trapezoid with congruent legs is called an ___ trapezoid.

isosceles

If exactly one pair of opposite sides of a quadrilateral are congruent, then the quadrilateral is an ___.

isosceles trapezoid

A quadrilateral with two distinct pairs of congruent adjacent sides is a ___.

kite

The nonparallel sides of a trapezoid are the ___.

legs

A kite is ___ a parallelogram.

never

A kite is ___ a rectangle.

never

A parallelogram is ___ a kite.

never

A parallelogram is ___ a trapezoid.

never

A parallelogram is ___ an isosceles trapezoid.

never

A rectangle is ___ a kite.

never

A rectangle is ___ a rhombus.

never

A rectangle is ___ a trapezoid.

never

A rectangle is ___ an isosceles trapezoid.

never

A rhombus is ___ a kite.

never

A pair of consecutive sides of rectangle is ___ congruent.

sometimes

A parallelogram is ___ a rhombus.

sometimes

A parallelogram is ___ a square.

sometimes

A quadrilateral is ___ a kite.

sometimes

A quadrilateral is ___ a parallelogram.

sometimes

A quadrilateral is ___ a rectangle.

sometimes

Every quadrilateral has ___ diagonals.

two