Tiles

How many square tiles with an area of 121 cm2 must be ordered for the paving in the square room with a side length of 2.75 meters?

Final Answer:

n =  625

Step-by-step explanation:

S1=121 cm2 m2=121:10000  m2=0.0121 m2 a=2.75 m S=a2=2.752=16121=7169=7.5625 m2  n=S/S1=7.5625/0.0121=625



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