Rectangles, Rhombus, and Squares

Front

What is the definition of a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What are the properties of a rhombus?

Back

A rhombus is a parallelogram with four congruent sides.

Front

How do you find the measure of an angle in a triangle formed by a rectangle?

Back

Use the properties of angles in a triangle and the relationships between the angles in a rectangle.

Front

What is the relationship between the diagonals of a rectangle?

Back

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

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

How do you determine if a quadrilateral is a rhombus?

Back

A quadrilateral is a rhombus if all four sides are of equal length.

Front

What is the formula for the area of a rhombus?

Back

Area = (d1 × d2) / 2, where d1 and d2 are the lengths of the diagonals.

Front

What is the relationship between the angles of a rectangle?

Back

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

Front

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

Back

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