Question

find the number of bricks required to build a wall of size 6m×3m×30cm, if the size of one brick is 20cm in length,10cm wide and 6cm thick​

Answer 1

Answer:

Step-by-step explanation:

l=8m=800cm

h=6m=600cm

b=22.5cm

volume of the wall=lbh

                                =800*600*22.5

                                =10800000centi metre cube

brick;

l=25cm

b=11.25cm

h=6cm

volume=lbh

             =25*11.25*6

             =1687.5 centi metre cube

therefore number of bricks=volume of wall/volume of 1 brick

                                              = 10800000/1687.5

                                              =6400 bricks

therefore number of bricks is 6400 bricks

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