The perimeter of a rectangle is 2(w+l)
We can find the lengths by setting the equation equal to 12.
12=2(w+l)
12÷2=(2(w+l))÷2
6=w+l
6=1+5
6=2+4
6=3+3
These are the lengths of the sides of three rectangles with a perimeter of 12 units.
You're probably wondering why the third one has two of the same number, because that's usually how the lengths of sides of squares are, not rectangles.
Well, there's this wonderful thing about the rules of shapes.
<em>Squares ARE rectangles.
</em>Because they follow the rules for a rectangle, squares are also classified as rectangles.
So, the rectangle side lengths are as follows:
1 unit by 5 units
2 units by 4 units
3 units by 3 units
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Divide the length of the wall by 2 to find the center of the wall:14/2 = 7 feet
The center of the painting is 2/2 = 1 foot.
The edge of the wall would be the center of the wall minus the center of the painting:
7 - 1 = 6 feet.
There should be 6 feet on each side of the painting.
4.5 x 4.47 = ~ $20.12 total
4.5 yards of material
4.47 per yard
~20.12 total
