Do Now for Lesson 4.5 (review parallelogram & rectangle)

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 rectangle?

Back

A rectangle is a parallelogram with all angles equal to 90 degrees and opposite sides that are equal in length.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are congruent (equal in length).

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What is the difference between a rectangle and a square?

Back

A square is a special type of rectangle where all four sides are equal in length.

Front

What does it mean for sides to be congruent?

Back

Congruent sides are sides that are equal in length.

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

What is the definition of opposite sides in a parallelogram?

Back

Opposite sides are the pairs of sides that do not share a vertex.

Front

How do you find the length of a diagonal in a rectangle?

Back

Use the Pythagorean theorem: Diagonal = √(length² + width²).

Front

What is the significance of the diagonals in a parallelogram?

Back

The diagonals of a parallelogram bisect each other.