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How to solve a rectangles width if the ratio of lenght to perimeter is 1 to 3?
Wiki User
∙ 14y ago
P = 2L + 2W
Since L : P as 1 : 3, we can write P = 3L.
Substitute 3L for P into the formula above,
P = 2L + 2W
3L = 2L + 2W
L = 2W
L/2 = W
So that W : L as 1 : 2, and W : P as 1 : 6.
We can say that the perimeter of this rectangle is
P = 3L or P = 6W
Wiki User
∙ 14y ago
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