Quadrilateral Proofs

Front

What is a quadrilateral?

Back

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

Front

What defines a rectangle?

Back

A rectangle is a quadrilateral with four right angles.

Front

True or False: All rhombuses are squares.

Back

False. A rhombus has all sides equal but does not necessarily have right angles.

Front

True or False: All squares are rectangles.

Back

True. A square is a special type of rectangle with all sides equal.

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all sides equal and opposite angles equal.

Front

What is a square?

Back

A square is a quadrilateral that is both a rectangle and a rhombus, having all sides equal and all angles right.

Front

What is a parallelogram?

Back

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

Front

What is the property of diagonals in a rhombus?

Back

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

Front

What is the property of diagonals in a rectangle?

Back

In a rectangle, the diagonals are equal in length.

Front

What can be concluded if a quadrilateral has two pairs of opposite sides that are equal?

Back

It can be concluded that the quadrilateral is a parallelogram.