Properties of Quadrilaterals

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides, four vertices, and four angles.

Front

What are the properties of a parallelogram?

Back

A parallelogram has opposite sides that are equal in length, opposite angles that are equal, and the diagonals bisect each other.

Front

What is a trapezoid?

Back

A trapezoid is a quadrilateral with at least one pair of parallel sides.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What is a square?

Back

A square is a rectangle with all four sides of equal length.

Front

What is a rhombus?

Back

A rhombus is a parallelogram with all four sides of equal length.

Front

What is the sum of the interior angles of a quadrilateral?

Back

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

Front

If one angle of a quadrilateral is 80 degrees and another is 100 degrees, what is the sum of the other two angles?

Back

The sum of the other two angles is 180 degrees.

Front

What is the difference between a square and a rhombus?

Back

A square has four right angles, while a rhombus does not necessarily have right angles.

Front

What is the definition of congruent sides?

Back

Congruent sides are sides that are equal in length.