In the courtyard, the children were given a rectangular sandbox 3 m long and 2 m wide. What is the length of its border?
| May 7, 2021 | education
a = 3 m.
b = 2 m.
P -?
The length of the border around the sandbox will be the sum of all the lengths of its sides, that is, the perimeter of a rectangle with sides of 3 m and 2 m.
P = a + b + a + b.
P = 3m + 2m + 3m + 2m = 10m.
Answer: the length of the curb around the sandbox, 3 m long and 2 m wide, is exactly 10 meters.
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