Rhombi, Rectangles, and Squares

Front

What proves a quadrilateral is a parallelogram?

Back

One pair of opposite sides is congruent and parallel.

Front

A parallelogram that is both a rhombus and a rectangle is called a __________.

Back

Square.

Front

What is the value of x if the angles of a parallelogram are in the ratio 2:1?

Back

66.

Front

Figure A is a...

Back

Rhombus.

Front

Which quadrilateral does not have diagonals that are perpendicular?

Back

Rectangle.

Front

Define a rhombus.

Back

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

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with opposite sides that are equal and all angles are right angles.

Front

What is a square?

Back

A square is a quadrilateral that is both a rectangle and a rhombus, with all sides equal and all angles right.

Front

What is the relationship between the diagonals of a rhombus?

Back

The diagonals of a rhombus bisect each other at right angles.

Front

How do you find the area of a rectangle?

Back

Area = length × width.