Question

Периметр прямоугольника равен 38 см, Сумма длин трёх сторон равна 32 см, Чему равны стороны прямоугольника?

Answer 1

38-32 - 6 (6 см - длина одной стороны, а также противоположной ей).

Значит,их сумма равна  12, а сумма остальных двух -           38 - 12 = 26.

26:2 = 13 (13 см - длина каждой из оставшихся двух сторон)

Answer 2

Calculation of Rectangle Sides

To find the lengths of the sides of a rectangle given its perimeter and the sum of the lengths of three sides, we can use the following formula:

Perimeter (P) = 2 * (Length (L) + Width (W))

In this case, the perimeter of the rectangle is given as 38 cm, and the sum of the lengths of three sides is given as 32 cm.

Let's assume the length of the rectangle is L and the width is W.

According to the formula, we have:

P = 2 * (L + W)

Substituting the given values:

38 = 2 * (L + W)

Simplifying the equation:

19 = L + W We also know that the sum of the lengths of three sides is 32 cm:

L + W + L = 32

Simplifying the equation:

2L + W = 32 Now we have a system of equations:

19 = L + W (Equation 1)

2L + W = 32 (Equation 2)

We can solve this system of equations to find the values of L and W.

By solving the system of equations, we find that the length of the rectangle is 11 cm and the width is 8 cm.