Classifying Quadrilaterals

Front

What is a trapezoid?

Back

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

Front

What are the properties of a parallelogram?

Back

A parallelogram has opposite sides that are equal in length, opposite angles that are equal, and the diagonals bisect each other.

Front

Which quadrilaterals have two pairs of parallel sides?

Back

The quadrilaterals that have two pairs of parallel sides are rectangles, rhombuses, and squares.

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 measure of an unknown angle in a quadrilateral?

Back

To find the measure of an unknown angle in a quadrilateral, subtract the sum of the known angles from 360 degrees.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What is a rhombus?

Back

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

Front

What is a square?

Back

A square is a special type of rectangle and rhombus that has all sides equal and all angles right angles.

Front

What is the difference between a trapezoid and a parallelogram?

Back

A trapezoid has only one pair of parallel sides, while a parallelogram has two pairs of parallel sides.

Front

How can you identify a quadrilateral as a parallelogram?

Back

A quadrilateral can be identified as a parallelogram if both pairs of opposite sides are parallel.