What is the perimeter of a rectangle that is 7 cm long and 3 cm wide? What property of multiplication have you applied?

univerkov | August 3, 2021 | education

The perimeter of a rectangle is the sum of all sides.

P = 2 * (a + b), where P is the perimeter of the rectangle, a is the length of the rectangle, and b is the width of the rectangle.

P = 2 * (7 + 3) = 2 * 7 + 2 * 3 = 14 + 6 = 20 (cm).

The distribution property of multiplication is applied.

Answer: 20 centimeters.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.