25lfields 25lfields

22-10-2021
Mathematics

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the length of a rectangle is four times it’s width if the perimeter of the rectangle is 70 yd find it length and width

Respuesta :

Estefaniesmundo Estefaniesmundo

22-10-2021

Answer:

Step-by-step explanation:

Length = 4 * width

L = 4 * w

70 = Perimeter = 2*Length + 2* width = 2(4w) + 2w = 8w + 2w = 10w

so w=7 --> length is 28. Note that perimeter is 28+28+7+7 = 56 + 14 = 70

Then the area is 28 x 7 = 196 square inches

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