The side of the square was reduced by 10%. By how many% and how has the area of the square
| May 8, 2021 | education
The side of the square was reduced by 10%. By how many% and how has the area of the square, the perimeter of the square changed?
In order to solve the first problem, we will perform the following actions:
1) Suppose the square has a side of 10.
2) Then the area is 100.
3) Reduce the side by 10%: area = 81.
4) The difference is 19%.
5) The perimeter was initially 40 and became 36, that is, it changed by 10%.
Answer: the area changed by 19% and the perimeter by 10%.
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.
