Question

надо сделать изгородь для квадратного участка площадью 49 квадратных метров. Сколько понадобится досок , если на 1 м изгороди уходит 4 доски ?

Answer 1

у меня 9604 получилось...я не знаю правильно или нет...у меня с задачами не очень.

Answer 2

Calculating the Number of Boards Needed for the Fence

To calculate the number of boards needed for the fence, we can use the given information that 4 boards are required for 1 meter of the fence. The area of the square plot is 49 square meters. To find the length of one side of the square, we can take the square root of the area.

Step 1: Calculate the Length of One Side of the Square Plot The area of the square plot is 49 square meters. Therefore, the length of one side of the square plot is the square root of 49, which is 7 meters.

Step 2: Calculate the Perimeter of the Square Plot The perimeter of the square plot can be calculated by multiplying the length of one side by 4, as all sides of a square are equal. Therefore, the perimeter of the square plot is 7 meters * 4, which equals 28 meters.

Step 3: Calculate the Number of Boards Needed As 4 boards are required for 1 meter of the fence, the total number of boards needed for the entire perimeter can be calculated by multiplying the perimeter by 4. Therefore, the total number of boards needed is 28 meters * 4, which equals 112 boards.

Therefore, to make a fence for a square plot with an area of 49 square meters, 112 boards will be needed.