Question

Высота комнаты 3 м ширина 4 м а длина 7 м чему равен объём этой комнаты чему равна площадь пола потолка стены

Answer 1

3*4*7=84м в кубе - объем комнаты.

3*7=21м в квадрате - площадь одной стены

3*4=12м в квадрате - площадь другой стены

4*7=28 м в квадрате - площадь пола

4*7=28 м в квадрате- площадь потолка

Answer 2

Объем равен 4х7х3=84 м3
площадь пола и потолка = 7х4=28 м2
площадь первой стены = 3х4=14 м2
площадь второй стены =3х7=21 м2

Answer 3

Calculating the Volume and Area of the Room

To calculate the volume of the room, we can use the formula: Volume = length × width × height. Given the dimensions of the room: - Height = 3 m - Width = 4 m - Length = 7 m

We can calculate the volume as follows: Volume = 7 m × 4 m × 3 m = 84 cubic meters.

To find the total surface area of the room, we need to calculate the sum of the areas of the floor, ceiling, and four walls.

The area of the floor and ceiling can be calculated using the formula: Area = length × width. - Area of the floor = 7 m × 4 m = 28 square meters - Area of the ceiling = 7 m × 4 m = 28 square meters

The total area of the floor and ceiling is: Total area = 28 square meters (floor) + 28 square meters (ceiling) = 56 square meters.

The area of the four walls can be calculated by finding the perimeter of the room and then multiplying it by the height of the room. The perimeter of the room is: Perimeter = 2 × (length + width) = 2 × (7 m + 4 m) = 22 meters.

The area of the four walls is: Area = Perimeter × Height = 22 m × 3 m = 66 square meters.

Therefore, the total area of the floor, ceiling, and walls is: Total area = 56 square meters (floor and ceiling) + 66 square meters (walls) = 122 square meters.

So, the volume of the room is 84 cubic meters, and the total area of the floor, ceiling, and walls is 122 square meters.