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If you know both the perimeter an the length of a rectangle how can you determine the width of the rectangle?
Wiki User
∙ 15y ago
The perimeter is the total of all 4 sides of the rectangle, and a rectangle, by definition, has 2 sets of parallel sides.
Perimeter = 2L + 2W (where L = length of ONE side, and W = width of ONE side).
So, for example, if the perimeter is 40 cm, and the length is 15 cm, you figure out the width by subtraction and division.
P = 2L + 2W
40 = 2(15) + 2W
40 = 30 + 2W
40-30 =30 + 2W - 30
10 = 2W
10/2 = 2W/2
5 = W
So the width of the rectangle is 5 cm.
Wiki User
∙ 15y ago
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What is a perimeter of a recangular?
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The length of a rectangle is twice the width width the perimeter is 48 in find the dimensions of the rectangle?
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The width of a rectangle is one half its length The perimeter of the rectangle is 54cm What are the width and length of the rectangle?
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What is the perimeter of a rectangle that is 1.6 meters long and 0.8 meters wide?
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