the perimeter of a rectangle is 42 mts and it's area is 20cm .find the sum of it's length and width
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sorry ☹️ iam not getting this answer
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Perimeter of rectangle is 2(L+B)
42m=4200cm
ATQ
4200=2(L+B)
=>L+B=4200/2
=>L+B=2100cm²
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