Question

Длинна прямоугольника? В 2 раза больше ширины. Ширина? Периметр прямоугольника 36 см. Площадь 72 см2.

Answer 1

6 и 12 =>  2(6+12) = 36, 6*12 = 72

Answer 2

(2а+а)*2=36
3а=18
а=6см
ответ 6 и 12см

Answer 3

Length of the Rectangle

The length of the rectangle is twice the width.

Width of the Rectangle

To find the width of the rectangle, we can use the information given about the perimeter and the area.

Perimeter of the Rectangle

The perimeter of the rectangle is given as 36 cm.

Area of the Rectangle

The area of the rectangle is given as 72 cm^2.

Calculating the Width

Let's use the formulas for the perimeter and area of a rectangle to find the width.

The formula for the perimeter of a rectangle is: P = 2 * (length + width). And the formula for the area of a rectangle is: A = length * width.

We can set up the following equations: 1. 36 = 2 * (length + width) 2. 72 = length * width

Since the length is twice the width, we can substitute 2w for length in equation 1: 1. 36 = 2 * (2w + w) 2. 72 = 2w * w

Simplifying equation 1: 1. 36 = 2 * 3w 2. 36 = 6w 3. w = 6

So, the width of the rectangle is 6 cm.

Calculating the Length

Since the length is twice the width, we can calculate it by multiplying the width by 2: length = 2 * width = 2 * 6 = 12 cm.

Summary

Based on the given information, the width of the rectangle is 6 cm and the length is 12 cm.