Calculate the square area if its perimeter is 14dm.

Correct answer:

S =  12.25 dm2

Step-by-step explanation:

o=14 dm  o=4a a=o/4=14/4=72=3.5 dm  S=a2=a a S=a a=3.5 3.5=494=494 dm2=12.25 dm2

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