Properties of Rectangles

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What are the properties of the angles in a rectangle?

Back

All angles in a rectangle are right angles (90 degrees).

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

Area = 10 cm × 5 cm = 50 cm².

Front

If a rectangle has a length of 8 feet and a width of 3 feet, what is its perimeter?

Back

Perimeter = 2 × (8 ft + 3 ft) = 22 feet.

Front

True or False: The opposite sides of a rectangle are equal in length.

Back

True.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length.

Front

If the area of a rectangle is 36 cm² and the width is 6 cm, what is the length?

Back

Length = Area ÷ Width = 36 cm² ÷ 6 cm = 6 cm.

Front

What is the definition of a rectangle?

Back

A rectangle is a quadrilateral with four right angles.

Front

If a rectangle has a perimeter of 30 feet and a length of 10 feet, what is the width?

Back

Width = (Perimeter ÷ 2) - Length = (30 ft ÷ 2) - 10 ft = 5 ft.