Special Parallelograms

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

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

Back

The sum of the interior angles of a parallelogram is 360 degrees.

Front

What are the properties of the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length and bisect each other.

Front

What is a rhombus?

Back

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

Front

What are the properties of the diagonals of a rhombus?

Back

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

Front

How can you prove that a quadrilateral is a parallelogram?

Back

A quadrilateral is a parallelogram if both pairs of opposite sides are parallel.

Front

What is the relationship between opposite angles in a parallelogram?

Back

In a parallelogram, opposite angles are equal.

Front

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

Back

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

Front

What is the formula for the area of a parallelogram?

Back

The area of a parallelogram is given by the formula: Area = base × height.

Front

What is a square?

Back

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