The area of a rectangle is 42 cm2 and its length is 7 cm. Find its perimeter
| December 13, 2020 | education
The area of the rectangle is equal to the product of the length and the width. Let’s find it:
7 * x = 42
x = 42/7 = 6 cm
The perimeter of a rectangle is twice the length and width.
P = 2 * (7 + 6) = 2 * 13 = 26 cm
Answer: 26 cm.
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.
