The perimeter of a square is equal to 4 times the side length.
=4
P
=
4
s
where
P
is the perimeter and
s
is the side length of the square.
If the side length of the square is 3−2
3
x
−
2
units, then let =3−2
s
=
3
x
−
2
The perimeter would be:
=4(3−2)
P
=
4
(
3
x
−
2
)
=4(3)−4(2)
P
=
4
(
3
x
)
−
4
(
2
)
=12−8
P
=
12
x
−
8
Therefore the perimeter of the square is: 12−8
12
x
−
8
units.
Regards,
. ℎ
A
a
r
o
n
M
.
C
h
a
o
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Profile photo for Arturo Ordonez-Hernandez
Arturo Ordonez-Hernandez, Associate Programmer/Analyst at Weber State University (2018-present)
Answered March 8
A square is an equilateral rectangle.
So, we know that, for a rectangle,
=2+2
P
=
2
l
+
2
w
For a square,
=
l
=
w
so,
=4=4
P
=
4
l
=
4
w
Therefore,
=4(3−2)
P
=
4
(
3
x
−
2
)
=12−4
P
=
12
x
−
4
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Profile photo for Len Fyfe
Len Fyfe, B.Ed. Mathematics & Physics, Chemistry, Maths, and Computer Science, Lakehead University (2005)
Answered March 4
side length is 3x-2
each of the four sides is the same length
P = 4(3x-2) factored form
P = 12x - 8 expanded form
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