Properties of Quadrilaterals and Angles

Front

What is a parallelogram?

Back

A quadrilateral with two pairs of parallel sides.

Front

What are the properties of a rhombus?

Back

A rhombus is a parallelogram with four congruent sides and opposite angles that are equal.

Front

What does it mean if a parallelogram's diagonals bisect a pair of opposite angles?

Back

The parallelogram is a rhombus.

Front

What is the definition of a rectangle?

Back

A parallelogram with four right angles.

Front

What is the converse theorem of a rectangle having congruent diagonals?

Back

If a parallelogram has congruent diagonals, it is a rectangle.

Front

What is a square?

Back

A square is a parallelogram with four congruent sides and four right angles.

Front

What figure is formed by joining the midpoints of the sides of a rectangle?

Back

It forms a rhombus.

Front

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

Back

360 degrees.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are congruent.

Front

What is the definition of a trapezoid?

Back

A quadrilateral with at least one pair of parallel sides.