Question

Как найти стороны прямоугольника Р которого 630см, а одна из его сторон в 8 раз меньше,вторая сторона не известна.???

Answer 1

Ответ: 280см ; 35 см.

Пошаговое объяснение:

Пусть одна сторона прямоугольника будет х, а другая х/8.

Р=2(а+в)

630=2(х+х/8)

Сократим на 2.

315=х+х/8

Решаем.

9х=315*8

х=280см.    (одна сторона.)

280/8=35 см.  ( другая сторона  прямоугольника)

Answer 2

Finding the Sides of a Rectangle

To find the sides of a rectangle when one side is 8 times smaller and the perimeter is 630 cm, we can use the following steps:

1. Understand the Problem: We are given that the perimeter of the rectangle is 630 cm and one of its sides is 8 times smaller than the other side.

2. Formulate the Equation: Let's denote the unknown side as x and the other side as 8x. The perimeter of a rectangle is given by the formula: P = 2*(length + width), where P is the perimeter, length is one side, and width is the other side.

3. Solve for the Unknown: We can use the given perimeter to solve for the unknown side.

Solution

Using the formula for the perimeter of a rectangle, we can set up the equation:

630 = 2*(x + 8x)

Solving for x:

630 = 2*(9x)

Dividing both sides by 2:

315 = 9x

Now, solving for x:

x = 315 / 9 x = 35

So, the unknown side of the rectangle is 35 cm, and the other side is 8 times larger, which is 280 cm.

This means the sides of the rectangle are 35 cm and 280 cm.