Geometry 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 a parallelogram?

Back

A parallelogram is a quadrilateral with two sets of parallel sides.

Front

What defines a rectangle?

Back

A rectangle is a quadrilateral with two sets of parallel sides and four right angles.

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with two sets of parallel sides and four congruent (equal) sides.

Front

What is a trapezoid?

Back

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

Front

Can a parallelogram be a rectangle?

Back

Sometimes; all rectangles are parallelograms, but not all parallelograms are rectangles.

Front

If a quadrilateral has four right angles, what can we conclude about it?

Back

It is a rectangle or a 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 do you find the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a parallelogram?

Back

Area = base × height.