Quad Proofs Practice

Front

What is the alternate interior angles theorem?

Back

If two parallel lines are cut by a transversal, then each pair of alternate interior angles is equal.

Front

What defines a parallelogram?

Back

A quadrilateral with opposite sides that are both parallel and equal in length.

Front

What can be concluded if a quadrilateral has one pair of opposite sides that are both congruent and parallel?

Back

It is a parallelogram.

Front

What is the significance of diagonals bisecting each other in a quadrilateral?

Back

If the diagonals of a quadrilateral bisect each other, the quadrilateral is a parallelogram.

Front

What does it mean if opposite angles in a quadrilateral are equal?

Back

It is a property of parallelograms, but alone it does not confirm the shape.

Front

What is the consecutive angles theorem?

Back

If two parallel lines are cut by a transversal, then each pair of consecutive interior angles is supplementary.

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What is a rectangle?

Back

A parallelogram with four right angles.

Front

What is a rhombus?

Back

A parallelogram with all four sides of equal length.

Front

What is a square?

Back

A rectangle with all sides of equal length.