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The length of a rectangle is twice its width. If the perimeter of the rectangle is 48 centimeters, find the value of the length of the rectangle.



Answer :

konrad509
[tex]l=2w\\ 2w+2l=48\\\\ 2w+2\cdot2w=48\\ 2w+4w=48\\ 6w=48\\ w=8\\\\ l=2\cdot8\\ \boxed{l=16}[/tex]
l =2w.

P= 2l + 2w

P = 2(2w) + 2w

P = 6w

48 = 6w

Width = 8 cm.

Length = (48-16)/2 = 16 cm

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