9.3 Properties of Quadrilaterals

Front

What is a quadrilateral?

Back

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

Front

Name three types of quadrilaterals.

Back

Parallelogram, rhombus, square.

Front

What is a parallelogram?

Back

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

Front

What defines a rhombus?

Back

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

Front

What is the difference between a square and a rhombus?

Back

A square is a rhombus with all angles equal to 90 degrees.

Front

What is a trapezoid?

Back

A trapezoid (or trapezium) is a quadrilateral with at least one pair of parallel sides.

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

What is a kite in terms of quadrilaterals?

Back

A kite is a quadrilateral with two distinct pairs of adjacent sides that are equal.

Front

Can a quadrilateral have four equal sides but not be a square?

Back

Yes, a rhombus has four equal sides but does not have to have right angles.

Front

What is the definition of a convex quadrilateral?

Back

A convex quadrilateral is a quadrilateral where all interior angles are less than 180 degrees.