Special Parallelograms

Front

What is a parallelogram?

Back

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

Front

What are the properties of a rectangle?

Back

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

Front

What defines a rhombus?

Back

A rhombus is a parallelogram with all four sides of equal length and opposite angles that are equal.

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 can you determine if a quadrilateral is a parallelogram?

Back

A quadrilateral is a parallelogram if it has one pair of opposite sides that are both parallel and equal in length.

Front

What is the significance of diagonals in a parallelogram?

Back

In a parallelogram, the diagonals bisect each other, meaning they cut each other in half.

Front

What is the relationship between the angles of a parallelogram?

Back

In a parallelogram, opposite angles are equal, and consecutive angles are supplementary (add up to 180 degrees).

Front

What quadrilaterals have perpendicular diagonals?

Back

Rhombuses and squares have diagonals that are perpendicular to each other.

Front

If two pairs of opposite sides of a quadrilateral are equal, what can be concluded?

Back

The quadrilateral is a parallelogram.

Front

What is the formula for the area of a parallelogram?

Back

The area of a parallelogram is calculated as Area = base × height.