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The perimeter doesn't tell you the dimensions. There are an infinite number
of rectangles with different dimensions that all have the same perimeter.
Here are a few. All of these have perimeters of 200:
1 x 99
2 x 98
3 x 97
4 x 96
5 x 95
6 x 94
.
.
15 x 85
.
.
27 x 73
.
.
39 x 61
.
.
47 x 53
48 x 52
49 x 51
49.1 x 50.9
49.2 x 50.8
49.3 x 50.7
49.4 x 50.6
.
.
etc.
Also, notice that it doesn't necessarily even have to be a rectangle !
.
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What is the perimeter of 24cm by 100cm?
248cm. Why? Because it is a rectangle so the perimeter is length + length + width + width or just widthx2 + lengthx2. So, 24x2=48 and 100x2=200. 200+48=248cm.
How can you get the width when you have the perimeter and the length?
If the shape is a rectangle, then Perimeter = 2(Length + Width) So Width = Perimeter/2 - Length
What is one different way to to find the perimeter of a rectangle?
Length + length + width + width = perimeter. Length + width x 2 = perimeter
How do you find the length of a rectangle if the perimeter is 40 and the width is 2inches?
perimeter = 2 x (length + width) ⇒ length + width = perimeter ÷ 2 ⇒ length = (perimeter ÷ 2) - width So to find the length of the given rectangle, subtract the width from half the perimeter is how to do it. IF you meant "What is the length..." then: length = perimeter ÷ 2 - width = 40 ÷ 2 - 2 in = 20 - 2 in = 18 in
How do you find the width of a rectangle if you know the perimeter and the length?
Perimeter = 2 * width + 2 * length, so rearranging --> width = (Perimeter / 2) - length
