Dimensions 16813

Calculate how many bricks we will need to build a room that should be 1.8 m wide, 2 m long, and 2.4 m high. The dimensions of the brick are 25 cm x 60 cm.

Correct answer:

n =  122

Step-by-step explanation:

a=1.8 m b=2 m c=2.4 m  S=2 (a+b) c=2 (1.8+2) 2.4=25456=18256=18.24 m2  x=25 cm m=25:100  m=0.25 m y=60 cm m=60:100  m=0.6 m  S1=x y=0.25 0.6=203=0.15 m2  n=S/S1=18.24/0.15=122

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