Quadrilaterals

Front

All the _____ in a rhombus are congruent.

Back

sides

Front

Opposite sides of parallelograms are _______ and _______.

Back

parallel and congruent

Front

The _____ in a rectangle are congruent.

Back

diagonals

Front

______ angles of parallelograms are congruent.

Back

Opposite

Front

If ABCD is a parallelogram, what is the length of BD?

Back

10

Front

What is a quadrilateral?

Back

A four-sided polygon.

Front

What are the properties of a rhombus?

Back

All sides are congruent, opposite angles are congruent, and diagonals bisect each other at right angles.

Front

What defines a rectangle?

Back

A quadrilateral with four right angles.

Front

What is the sum of the interior angles of a quadrilateral?

Back

360 degrees.

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides that are parallel and congruent.