A) 5
B) 9
C) 7
D) 8
Correct Answer: A
Solution :
We have, perimeter = 24 cm \[\Rightarrow \]\[2(l+b)=24\], hence possible dimensions are\[(1,\,\,11),\,\,(2,\,\,10),\,\,(3,\,\,9),\,\,(4,\,\,8)\]
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