How many bricks, each measuring 25cm x 11,25 cm x 6 cm, will be needed to build a wall of 8 m x 22,5 cm
To calculate the number of bricks needed, we need to convert the wall dimensions to the same units as the brick dimensions.
8 m = 800 cm
22.5 cm remains the same
Now, we can divide the dimensions of the wall by the dimensions of each brick to find the number of bricks needed.
Length of the wall = (800 cm) / (25 cm) = 32 bricks
Width of the wall = (22.5 cm) / (11.25 cm) = 2 bricks
Height of the wall = (not given)
Since the height of the wall is not provided, we cannot determine the exact number of bricks needed to build the entire wall.
To calculate the number of bricks needed to build the wall, we need to find the total volume of the wall and divide it by the volume of each brick.
Step 1: Convert the measurements to the same units
The dimensions of the brick are given in centimeters (cm), while the dimensions of the wall are given in meters (m). Convert the wall dimensions to centimeters for consistency.
8 m = 800 cm (since 1m = 100cm)
22.5 cm (no conversion needed)
Step 2: Calculate the volume of the wall
The volume of a rectangular shape can be calculated by multiplying its length, width, and height. In this case, the length and width of the wall are provided, and the height will be the same as the thickness of the brick, which is 6 cm.
Volume of the wall = Length x Width x Height
= 800 cm x 22.5 cm x 6 cm
Step 3: Calculate the volume of each brick
The volume of a brick can be calculated by multiplying its length, width, and height.
Volume of each brick = Length x Width x Height
= 25 cm x 11.25 cm x 6 cm
Step 4: Calculate the number of bricks needed
Divide the volume of the wall by the volume of each brick to find the number of bricks needed.
Number of bricks = Volume of the wall / Volume of each brick
Now, calculate the volumes and divide to find the answer.
To determine the number of bricks needed to build a wall, we need to calculate the total surface area of the wall and divide it by the surface area of each brick.
1. Convert the dimensions of the wall into the same unit. Since the dimensions of the bricks are in centimeters (cm), convert the dimensions of the wall to centimeters as well.
- 8 m = 8 * 100 cm = 800 cm (width of the wall)
- 22.5 cm (height of the wall)
2. Calculate the surface area of the wall.
Surface area = width * height
Surface area = 800 cm * 22.5 cm
Surface area = 18,000 cm^2
3. Calculate the surface area of each brick.
Surface area = 25 cm * 11.25 cm
Surface area = 281.25 cm^2
4. Divide the total surface area of the wall by the surface area of each brick to find the number of bricks needed.
Number of bricks = Surface area of wall / Surface area of each brick
Number of bricks = 18,000 cm^2 / 281.25 cm^2
Number of bricks ≈ 64
Therefore, approximately 64 bricks will be needed to build the wall.