Math Quadrilaterals Study Cards

Enhance Your Learning with Math Quadrilaterals Flash Cards for quick learning



Quadrilateral

A polygon with four sides and four angles.

Rectangle

A quadrilateral with four right angles.

Square

A quadrilateral with four equal sides and four right angles.

Parallelogram

A quadrilateral with opposite sides parallel.

Rhombus

A quadrilateral with four equal sides.

Trapezoid

A quadrilateral with one pair of parallel sides.

Kite

A quadrilateral with two pairs of adjacent sides of equal length.

Isosceles Trapezoid

A trapezoid with congruent base angles and congruent non-parallel sides.

Rectangle Properties

Opposite sides are parallel and congruent, diagonals are congruent and bisect each other.

Square Properties

All sides are congruent, diagonals are congruent and bisect each other at right angles.

Parallelogram Properties

Opposite sides are parallel and congruent, opposite angles are congruent, diagonals bisect each other.

Rhombus Properties

All sides are congruent, opposite angles are congruent, diagonals bisect each other at right angles.

Trapezoid Properties

One pair of opposite sides is parallel, base angles are supplementary.

Kite Properties

Diagonals are perpendicular, one diagonal bisects the other, one pair of opposite angles is congruent.

Isosceles Trapezoid Properties

Base angles are congruent, diagonals are congruent.

Area of a Rectangle

The product of its length and width.

Area of a Square

The square of the length of its side.

Area of a Parallelogram

The product of its base and height.

Area of a Rhombus

The product of its diagonals divided by 2.

Area of a Trapezoid

The average of the lengths of the bases multiplied by the height.

Perimeter of a Rectangle

The sum of all its sides.

Perimeter of a Square

Four times the length of its side.

Perimeter of a Parallelogram

The sum of all its sides.

Perimeter of a Rhombus

Four times the length of one of its sides.

Perimeter of a Trapezoid

The sum of all its sides.

Diagonals of a Rectangle

Congruent and bisect each other.

Diagonals of a Square

Congruent and bisect each other at right angles.

Diagonals of a Parallelogram

Bisect each other.

Diagonals of a Rhombus

Congruent and bisect each other at right angles.

Diagonals of a Trapezoid

Do not bisect each other.

Midsegment of a Trapezoid

A line segment connecting the midpoints of the non-parallel sides.

Midsegment Length of a Trapezoid

The average of the lengths of the bases.

Midsegment Length of a Trapezoid Formula

Midsegment Length = (Length of Base 1 + Length of Base 2) / 2

Angle Sum of a Quadrilateral

The sum of all its interior angles is equal to 360 degrees.

Opposite Angles of a Parallelogram

Congruent.

Consecutive Angles of a Parallelogram

Supplementary.

Opposite Sides of a Rhombus

Congruent.

Consecutive Angles of a Rhombus

Supplementary.

Opposite Sides of a Trapezoid

Not congruent.

Consecutive Angles of a Trapezoid

Not supplementary.

Diagonals of a Kite

Perpendicular and one diagonal bisects the other.

Area of a Kite

The product of the lengths of its diagonals divided by 2.

Perimeter of a Kite

The sum of all its sides.

Angle Sum of a Quadrilateral Theorem

The sum of all the interior angles of a quadrilateral is equal to 360 degrees.

Parallelogram Opposite Angles Theorem

Opposite angles of a parallelogram are congruent.

Parallelogram Consecutive Angles Theorem

Consecutive angles of a parallelogram are supplementary.

Rhombus Opposite Sides Theorem

Opposite sides of a rhombus are congruent.

Rhombus Consecutive Angles Theorem

Consecutive angles of a rhombus are supplementary.

Trapezoid Opposite Sides Theorem

Opposite sides of a trapezoid are not congruent.

Trapezoid Consecutive Angles Theorem

Consecutive angles of a trapezoid are not supplementary.

Kite Diagonals Theorem

The diagonals of a kite are perpendicular and one diagonal bisects the other.