The perimeter of a square is the sum of its sides.
Then the perimeter is
P = 4L
Clearing the side we have:
L = (P / 4)
L = (12x + 52) / 4
L = 3x + 13
answer:
The side length of the square is 3x + 13 units
It depend on the angle like straight obtuse or right, complementary and supplementary
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Very sry to tell that I really don't know it...
Cot = adjacent leg/opposite leg
For angle C,
adjacent leg is CA,
opposite leg is AB.
cot C = CA/AB = 3/4
So, cot C = 3/4. True.