Special Parallelograms

Front

What is a rhombus?

Back

A rhombus is a type of parallelogram where all four sides are of equal length and the diagonals are perpendicular to each other.

Front

What are the properties of the diagonals in a rhombus?

Back

In a rhombus, the diagonals bisect each other at right angles (are perpendicular) and are not necessarily of equal length.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles and opposite sides that are equal in length.

Front

What are the properties of the diagonals in a rectangle?

Back

In a rectangle, the diagonals are congruent (equal in length) and bisect each other.

Front

What defines a parallelogram?

Back

A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length.

Front

What is the relationship between opposite angles in a parallelogram?

Back

In a parallelogram, opposite angles are congruent (equal in measure).

Front

What is a square?

Back

A square is a special type of parallelogram that has all sides equal and all angles equal to 90 degrees.

Front

How do the properties of a square relate to those of a rectangle and a rhombus?

Back

A square has the properties of both a rectangle (four right angles) and a rhombus (four equal sides).

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

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.