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Please help me this question I couldn’t understand it please.

Please help me this question I couldn’t understand it please.-example-1

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Given:

Length of a rectangle is a+1

width of a rectangle is a


\begin{gathered} \text{Perimeter}=2(a+1+a) \\ =2(2a+1) \\ =4a+2 \end{gathered}

User Sehrish Waheed
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