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RSB [31]
2 years ago
9

Maths question pls answer

Mathematics
2 answers:
alexira [117]2 years ago
7 0

Answer:

72cm²

Step-by-step explanation:

perimeter= 2(l+w)

         36  = 2(l+w)

       36/2 = l+w

           18 = l+w

since, l is twice as w

18= 2w + w

18 = 3w    (we can add since all the variables, and exponents are same)

18/3 = w

6= w

NOW,

 w=6  and l is equal to twice as 6

so l=12

area= l×b

        = 12×6 = 72cm²

hope this helps. It was toooo long

Sergio [31]2 years ago
5 0

Answer:

72

Length=12

Width=6

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