Two walls

Calculate the surface area of a cube in m2 if you know that the area of its two walls is 72 dm2.

Correct answer:

S =  2.16 m2

Step-by-step explanation:

S2=72 dm2 m2=72:100  m2=0.72 m2 S=3 S2=3 0.72 m2=2.16 m2



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Showing 1 comment:
#
Math student
72/100 = 0.72
0.72 m2
1 m = 10 dm

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