SOLUTION: Find the perimeter of a square whose area is 144 inches square?

Question 333855: Find the perimeter of a square whose area is 144 inches square?
Found 2 solutions by rfer, jim_thompson5910:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
12*12=144
2*12+2*12=48 in
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the area of a square formula.

Take the square root of both sides (note: we're only taking the positive square root since a negative length doesn't make sense).

Flip the equation.

Plug in (the given area).

Take the square root of to get .

So if a square has an area of square inches, then it has a side length of inches.

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Now move onto the perimeter of a square formula.

Plug in .

Multiply and to get .

So the perimeter of a square with a side length of inches is inches.

This means that if a square has an area of 144 square inches, this means that has a perimeter of 48 inches.

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