A wall is 8m long,4m high, and 22.5cm thick. how many bricks of 25cm Length, 12.5cm breadth and 8 CM high are needed to build the wall

Number of bricks require to make the walls

Step-by-step explanation:

The number of bricks needed to make the wall:

= Volume of the wall/volume of one brick

The wall and the brick are in the shape of a cuboid:

Volume of the Cuboid=

For wall:        

Volume of the wall=

For one Brick:

Volume of one brick=

Number of bricks required to make the wall:

the first one, all those points on the line just make a strait line.

answer: 5

step-by-step explanation: