Jcern14
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hey the question is, " The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet."​

hey the question is The length of a rectangle is twice its width The perimeter of the rectangle is 126 feet class=

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BasketballEinstein

Answer:

42 = l

21 = w

Step-by-step explanation:

{l = 2w

{126 = 2w + 2l

126 = 2w + 2[2w]

126 = 2w + 4w

126 = 6w

21 = w [Plug this back into both equations to get the length of 42]; 42 = l

I am joyous to assist you anytime.

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