Build a rectangle with sides 10 cm and 2 cm. What exactly is 1/3 of its perimeter and 7/10 of its area?

We have a rectangle with sides 10 cm and 2 cm.Its sides are 2 cm, and the bases are 10 cm.
Find the perimeter of the rectangle. The perimeter is the sum of the lengths of all its sides, that is, P = 10 + 10 + 2 + 2 = 20 + 4 = 24 cm.
Let’s find the area of the rectangle. In this case, we will use the formula S = ab. Then S = 10 * 2 = 20 cm ^ 2.
To find 1/3 of the perimeter, divide the perimeter by 3:
24: 3 = 8 cm.
To find 7/10 of the area, you need to divide the area by 10 and multiply by 7:
20: 10 = 2.
2 * 7 = 14 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.