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Width = 'W'. Length = '3W'. Perimeter = 2 (Length + W) = 2 (3W + W) = 2 (4W) = 8W = 48 W = 6 inches and Length = 18inches Area = (Length) x W = 108 sq in============================ Easier way: Width = W, Length = 3W Area = (W) x (3W) = 3W2 We showed above that W = 6 3W2 = 3 x 36 = 108 in2
If the length is L units and the width is W units then L/W widths equal one length.
A rectangle with length L and width W has perimeter = 2*(L+W) So, 2(6 + W) = 220 or 6 + W = 110 so that W = 104 Usually, Length > Width but clearly not in this case.
The width is 18 cm and the length is 20 cm. The new dimensions are 15 by 24. The formula used is if w=width, w (w + 2) = (w - 3) (w + 6).
you know that: Area=length x width Area=A=30 cm2 and that the width= w and that the length= 2w so, what you do is: 30=2w*w (solve for w) 30=2w2 15=w2 take the square root of 15=w w=3.87cm Your width is 3.87cm your length is 2(3.87)=7.75cm