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I am not able to solve this problem​

I am not able to solve this problem​-example-1
User Imthepitts
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1 Answer

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The length of the board is 0.665 meters wide. When the boarder is added in all 4 edges, the length decrease by 0.05 meters on both side. So, the remaining length across is 0.665 - 0.5 x 2 = 0.565, so b.

*but maybe it's not a rectangle*

User Maor Barazany
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