Answer:
The first method
Take a square root, then multiply it by 4.
The defining characteristic of a square is that its length is equal to its width. Take a look below:
Self-created
So, for this particular square, the area is length⋅width, or x⋅x=x2. Now, how can you go from this to perimeter?
Well, the formula for perimeter is simply 2 times length + 2 times width. In the case of our square, this would simply be 2x+2x (since length = width), or 4x.
Therefore, if given an area, all you'd do is take the square root (to get from x2 to x, and then multiply by 4 to find perimeter.
The second method
s=√A
P=4×s
Step-by-step explanation:
To find the perimeter of square, you just need to know the length of one side, because in a square all the sides are the same length.
If you know the area, find the square root of it to find the side.
s2=A
∴s=√A
Now you multiply by 4
For example, if the area is 36cm2
A=36
s=√36=6
P=4×6=24
Step-by-step explanation:
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