there are 12 people in each group, there are 72 students in each class, how many groups are there? I know there are 6 groups of
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For this case we have that by definition, the area of a square is given by:
Where:
l: It's the side of the square
We have, according to the statement data, that:
Then, the area is given by:
By definition of power properties we have to:
So:
Answer:
The area of the square is: