Find the area of a square whose perimeter is 40 cm.
| February 4, 2021 | education
The perimeter of a square is calculated as the sum of the lengths of its sides. That is, P = 4 * a
Knowing the perimeter of the square, we calculate the length of its side a = P / 4
1) 40 cm: 4 = 10 cm side length of the square.
The area of a square is calculated by the formula the length of its side in a square.
2) 10 cm * 10 cm = 100 cm2 square area.
Answer: the area of a square is 100 cm2.
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.
