The length of a rectangle is three times its width of the perimeter of the rectangle is 40 yd find its length and width

Mathematics

1 answer:

schepotkina [342]3 years ago

3 0

Answer:

Step-by-step explanation:

L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

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