Parallelograms, Rhombi, Rectangles, and Squares

Front

What is a parallelogram?

Back

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

Front

What are the properties of a rhombus?

Back

A rhombus is a type of parallelogram where all four sides are of equal length, and its diagonals bisect each other at right angles.

Front

What defines a rectangle?

Back

A rectangle is a parallelogram with four right angles (90 degrees) and opposite sides that are equal in length.

Front

What is a square?

Back

A square is a special type of rectangle and rhombus where all four sides are equal and all angles are right angles.

Front

How do you find the area of a parallelogram?

Back

Area = base × height.

Front

What is the relationship between the diagonals of a rhombus?

Back

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

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

If two sides of a parallelogram are equal, what can be said about the opposite sides?

Back

The opposite sides are also equal in length.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

In a rectangle, what can be said about the diagonals?

Back

The diagonals of a rectangle are equal in length.