length=7.5 inches
this is only correct if the object is a rectangle.
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44
Perimeter = 2*(Length + Width) = 2*(15+9) = 48 feet.
30 cm.
perimeter = length + length + width + width = 2*length + 2*width = 36 length = 5*width 2*(5*width) + 2*width = 36 12*width = 36 width = 3 length = 15
The perimeter actually doesn't tell you anything about the breakdown betweenthe length and width. All we can tell about this one is that the sum of (length+width)has to be 15 inches. That still leaves an infinite number of possible rectangles.If the perimeter is 30 inches and the length has to be the longer dimension, thenit can be anything more than 7.5 inches, with no upper limit.For example:Width = 1 millionth of an inchLength = 1 millionth of an inch less than 15 inchesPerimeter = 30 inches.