Needed 69374

How many square tiles with an edge of 10 cm are needed to line a wall 2.4 m long to a height of 1.6 m?

Correct answer:

n =  384

Step-by-step explanation:

a=10 cm x=2.4 m cm=2.4 100  cm=240 cm y=1.6 m cm=1.6 100  cm=160 cm  S1=a2=102=100 cm2 S2=x y=240 160=38400 cm2  n=S2/S1=38400/100



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