Rectangle, squares and rhombi

Front

What is 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 rectangle?

Back

A rectangle is a quadrilateral with opposite sides that are equal in length and all angles that are right angles (90 degrees).

Front

What is a square?

Back

A square is a special type of rectangle and rhombus where all four sides are equal in length and all angles are right angles.

Front

What is a quadrilateral?

Back

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

Front

What defines a parallelogram?

Back

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

Front

What is the relationship between the diagonals of a rectangle?

Back

In a rectangle, the diagonals are equal in length but do not bisect the angles.

Front

What is the relationship between the diagonals of a rhombus?

Back

In a rhombus, the diagonals bisect each other at right angles and also bisect the angles of the rhombus.

Front

What is the property of the diagonals in a square?

Back

In a square, the diagonals are equal in length, bisect each other at right angles, and bisect the angles of the square.

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

How can you prove that a quadrilateral is a parallelogram?

Back

A quadrilateral can be proven to be a parallelogram if one pair of opposite sides is both congruent and parallel.