Classify Quadrilaterals

Front

What is a quadrilateral?

Back

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

Front

Name a type of quadrilateral that has opposite sides that are equal and parallel.

Back

Parallelogram.

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles.

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all four sides of equal length.

Front

What is a trapezoid?

Back

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

Front

What is the difference between a square and a rectangle?

Back

A square has all sides equal and all angles right, while a rectangle has opposite sides equal and all angles right.

Front

What does it mean for a quadrilateral to be concave?

Back

A concave quadrilateral has at least one interior angle greater than 180 degrees.

Front

What is a convex quadrilateral?

Back

A convex quadrilateral has all interior angles less than 180 degrees.

Front

Can a quadrilateral have all equal sides but not right angles?

Back

Yes, that shape is called a rhombus.

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.