Question

a wall is 8 m long 4m high and 22.5cm thick how many bricks of length 25 cm breadth 12.5 cm and 8 cm high are needed to built the wall​

Answer 1

Answer:

2880

Step-by-step explanation:

we have.

length of wall=8m=800cm

height of wall =22.5cm

breadth of wall=4m=400cm

volume of wall =lbh

volume of wall=800*400*22.5 CM cube

lenght of bricks=25cm

breadth of brick=12.5cm

height of brick =8cm

volume of each brick =lbh

volume of brick=25*12.5*8 CM cube

Number of bricks required to make the wall= volume of wall divided by volume of one brick..

brick required=800*400*22.5/25*12.5*8

bricks required=4*80*9

bricks required=2880

hope it helps...