Solving Parallelograms and Rectangles

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles and opposite sides that are equal in length.

Front

What is a parallelogram?

Back

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

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width (Area = length × width).

Front

How do you find the area of a parallelogram?

Back

The area of a parallelogram is found by multiplying the base by the height (Area = base × height).

Front

What is the relationship between the sides of a rectangle?

Back

In a rectangle, opposite sides are equal in length.

Front

What is the relationship between the angles of a parallelogram?

Back

In a parallelogram, opposite angles are equal, and consecutive angles are supplementary (add up to 180 degrees).

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated as P = 2(length + width).

Front

What is the formula for the perimeter of a parallelogram?

Back

The perimeter of a parallelogram is calculated as P = 2(base + side).

Front

How can you determine if a quadrilateral is a rectangle?

Back

A quadrilateral is a rectangle if it has four right angles.

Front

How can you determine if a quadrilateral is a parallelogram?

Back

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