# Calculate the sides of a rectangle whose area is 3 times less than the area of a rectangle with sides of 9 cm and 5 cm

October 16, 2021 | education

| The solution of the problem:

1. Let’s calculate the area of the given rectangle in the problem.

9 * 5 = 45 square centimeters.

2. Let’s calculate what is equal to the area of a rectangle, whose area is three times less.

45/3 = 15 square centimeters.

3. One of the sides of the rectangle, whose area is 3 times less, should also be 3 times less.

Let’s answer the question of the problem.

4. Let’s calculate the sides of the rectangle.

One side = 5 cm. Other side 9/3 = 3 centimeters.

Answer: One side of the rectangle is 5 centimeters, the other 3 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.