Parallelogram+

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 parallelogram?

Back

1. Opposite sides are equal in length. 2. Opposite angles are equal. 3. The diagonals bisect each other.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What is a rhombus?

Back

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

Front

What is a square?

Back

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

Front

How do you find the area of a parallelogram?

Back

Area = base × height.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length.

Front

What is the relationship between the diagonals of a rhombus?

Back

The diagonals of a rhombus are perpendicular to each other and bisect the angles.

Front

If one angle of a parallelogram is 70 degrees, what are the other angles?

Back

The opposite angle is also 70 degrees, and the adjacent angles are 110 degrees each.

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.