The length of the sides of the quadrilateral ABCD is given. calculated the perimeter AB = 2dm

The length of the sides of the quadrilateral ABCD is given. calculated the perimeter AB = 2dm, BC = 3dm 2 cm, CD = 35 cm, AD = 12 cm.

Let us express the lengths of the sides AB and BC of this quadrilateral ABCD in centimeters.

Since there are 10 centimeters in one decimeter, and according to the condition of the problem, the lengths of the sides AB and BC in decimeters are respectively 2 dm and 3 dm, then in centimeters the lengths of these sides will be:

| AB | = 20 cm;

| Sun | = 30 cm.

We find the perimeter P of a given quadrilateral as the sum of the lengths of all sides of this quadrilateral:

P = | AB | + | Sun | + | CD | + | AD | = 20 + 30 + 35 + 12 = 50 + 47 = 97 cm.

Answer: The perimeter of this quadrangle is 97 cm.