Properties of Rectangles

Front

What is a property of all rectangles?

Back

Both pairs of opposite sides have equal lengths.

Front

What is true about the angles in a rectangle?

Back

All angles are congruent (each measuring 90 degrees).

Front

Are the diagonals of a rectangle congruent?

Back

Yes, the diagonals of a rectangle are congruent.

Front

Are the diagonals of a rectangle perpendicular?

Back

No, the diagonals of a rectangle are not perpendicular.

Front

In a rectangle, are all sides congruent?

Back

False, only opposite sides are congruent.

Front

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

Back

360 degrees.

Front

If one angle of a rectangle is 90 degrees, what are the measures of the other angles?

Back

All other angles are also 90 degrees.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

If the length of a rectangle is 10 units and the width is 5 units, what is the area?

Back

Area = 10 × 5 = 50 square units.