Classifying Quadrilaterals

Front

What is a quadrilateral?

Back

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

Front

How many sides does a quadrilateral have?

Back

A quadrilateral has 4 sides.

Front

What are the two types of parallel lines in a trapezoid?

Back

A trapezoid has one pair of parallel sides.

Front

What is a parallelogram?

Back

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

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 sides of equal length.

Front

What is a rhombus?

Back

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

Front

What does it mean for lines to be perpendicular?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

Is a square also a rhombus?

Back

Yes, a square is a special type of 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.