The width of a rectangular sports hall is 20 m. Find the perimeter of the hall if its area is equal to 140 m2.
| August 31, 2021 | education
1) Let’s find out how long the hall has, if it is known that it is rectangular in shape and its width is 20 meters, and the area is 140 m².
140/20 = 7 m.
2) We find out what perimeter the hall has, if it is known that its width is 20 m, and the length that we found was 7 m.
(7 + 20) * 2 = 54 m.
Answer: the perimeter of the rectangular hall was 54 m.
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.
