Question

Периметр прямоугольника 84 сантиметров а его длина 26 сантиметров Найдите площадь прямоугольника

Answer 1

Пусть а-ширина, тогда b- длина
Р= 2(а+b)
2(а+26)=84
а+26=84/2
а+26=42
а=42-26
а=16 (см) -ширина
S=a*b=26*16=416 (см^2)
Ответ: площадь прямоугольника 416 сантиметров в квадрате

Answer 2

S=ab S=26*84=2184(см²)

Answer 3

Calculation of Rectangle Area and Perimeter

To find the area and perimeter of a rectangle, we need to know its length and width. In this case, the length of the rectangle is given as 26 centimeters, and the perimeter is given as 84 centimeters.

Given: - Length of the rectangle = 26 centimeters - Perimeter of the rectangle = 84 centimeters

Calculating the Width of the Rectangle

To find the width of the rectangle, we can use the formula for the perimeter of a rectangle, which is:

Perimeter = 2 * (Length + Width) Substituting the given values into the formula, we have:

84 = 2 * (26 + Width)

Simplifying the equation:

84 = 52 + 2 * Width

Subtracting 52 from both sides:

32 = 2 * Width

Dividing both sides by 2:

Width = 16 centimeters

Calculating the Area of the Rectangle

The formula for the area of a rectangle is:

Area = Length * Width

Substituting the given values into the formula, we have:

Area = 26 * 16

Area = 416 square centimeters

Therefore, the area of the rectangle is 416 square centimeters.

To summarize: - Width of the rectangle = 16 centimeters - Area of the rectangle = 416 square centimeters

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