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Answer for S3:
Ok, only for a square with 1(unit) has an area 4 times its perimeter (p=1, a=4 and 1x4=4), but for the rest, it is incorrect.
For example, let’s take a square with sides 8cm long. The perimeter (8x4) is 32, however, the area (8x8) is 64, and 64 is not four times larger than 32.
Let’s also take a square of sides 4cm. This will be interesting, because to calculate the perimeter of a square, you need to multiply the length of a side by 4 (4x4) and the area is the length (4) times the width (also 4), so the equation is 4x4=16. Therefore, the perimeter and the are are the same number: 16.
To conclude, the perimeter of a square is not 4 times the area (except for a square 1(unit) long.