LT 21 Proving Quadrilaterals

Front

Which figure is NEVER a parallelogram?

Back

Triangle

Front

Is there enough information to determine that this quadrilateral is a parallelogram?

Back

Yes, all opposite sides are congruent.

Front

Figure A is a...

Back

Rhombus

Front

If the figure is a rectangle, the value of x is...

Back

12

Front

Which two figures can always be described as quadrilaterals with all sides congruent?

Back

Square and Rhombus.

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides parallel and equal in length.

Front

What are the properties of a rhombus?

Back

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

Front

What defines a rectangle?

Back

A quadrilateral with four right angles.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length.

Front

What is a square?

Back

A quadrilateral that is both a rectangle and a rhombus; all sides are equal and all angles are right angles.