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Oduvanchick [21]
3 years ago
6

Which one of the following formulas defines the area, A A , of a square in terms of its perimeter, p ?

Mathematics
1 answer:
pav-90 [236]3 years ago
6 0
A square has 4 sides of equa length

the perimiter is 4 times the side, or P=4s where s=length of 1 side

the area is length times witdth, but since the length=width, area=s² where s is the length of one side

so express A=s² in terms of P when P=4s

solve for s first in P=4s
P=4s
divide both sides by 4
\frac{P}{4}=s

subsitute \frac{P}{4} for s in the other eqaution
A=s^2
A=(\frac{P}{4})^2
A=\frac{P^2}{16}



in terms of the perimiter, the area is A=\frac{P^2}{16}
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