Quadrilaterals

A polygon with four sides

A polygon with three sides

A shape with curved edges

A triangle with equal sides

A quadrilateral can be divided into two triangles

The sum of the interior angles of a triangle is 180°

The sum of the interior angles of a quadrilateral is 360°

A triangle can be divided into two quadrilaterals

Opposite sides are parallel

Opposite angles are congruent

All sides are equal

Opposite sides are equal in length

All rectangles are parallelograms, but not all parallelograms are rectangles.

All parallelograms are rectangles.

Rectangles and parallelograms are completely unrelated.

Only some rectangles are parallelograms.

All angles are right angles

All sides are congruent

Opposite sides are parallel

Diagonals are always equal

Quadrilateral

Parallelogram

Rectangle

Square

It has only one pair of parallel sides.

All sides are congruent.

All angles are right angles.

It has two pairs of parallel sides.

A trapezoid with two pairs of parallel sides.

A trapezoid with non-parallel sides that are congruent.

A trapezoid with all sides of equal length.

A trapezoid with only one right angle.

Some trapezoids are parallelograms.

All trapezoids are quadrilaterals.

All rectangles are squares.

A shape cannot be a parallelogram and a quadrilateral.

All sides are congruent.

All angles are congruent.

Only opposite sides are parallel.

All sides are parallel.

A quadrilateral with two pairs of parallel sides

A quadrilateral with only one pair of parallel sides

A quadrilateral with all sides equal

A quadrilateral with all angles equal

A parallelogram has two pairs of parallel sides, while a trapezoid has only one pair of parallel sides.

A parallelogram has all sides equal, while a trapezoid has all angles equal.

A parallelogram has all angles equal, while a trapezoid has two pairs of parallel sides.

A parallelogram has one pair of parallel sides, while a trapezoid has two pairs of parallel sides.

∠M ≅ ∠L

KN ≅ LM

LM ≅ MN

∠K ≅ ∠L

TQ ≅ QR

∠T ≅ ∠R

RS ≅ RQ

∠S ≅ ∠R

All angles are equal

Opposite sides are congruent

All sides are congruent

All sides are parallel

Square

Rectangle

Triangle

Trapezoid