Properties of quadrilaterals

Front

What is a quadrilateral?

Back

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

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

Define a parallelogram.

Back

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

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

Define a rhombus.

Back

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

Front

What is a trapezoid?

Back

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

Front

Are the diagonals of a rhombus congruent?

Back

No, the diagonals of a rhombus are not congruent; they bisect each other at right angles.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are congruent and bisect each other.

Front

True or False: All squares are rectangles.

Back

True, all squares are rectangles because they have four right angles.