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Sagot :

Answer:

10

Step-by-step explanation:

If the perimeter is 28 then

4+4+l+l=28

Add 4 with 4 and l with l

8+2l=28

Subtract 8 on both sides:

-8+8+2l=28-8

2l=20

Divide 2 on both sides

l=10

So the length is 10

Hope this helps!

Answer:

l = 10 inches.

Step-by-step explanation:

2x + 2*4 = 28

2x + 8 = 28

2x = 28 - 8 = 20

x = 20/2 = 10.

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