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liberstina [14]
2 years ago
7

The perimeter of a rectangle is 18cm- if the

Mathematics
1 answer:
Sergio [31]2 years ago
7 0

Step-by-step explanation:

perimeter=2(l+b)

18=2[(x+2)+x]

18=2(x+x+2)

18=2(2x+2)

18=4x+4

collecting like terms

18+4=4x

22=4x

dividing by 4

22/4=x

5²/4=5½

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