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Answer the questions below.(a) The perimeter of a rectangular parking lot is 314 m.If the width of the parking lot is 71 m, what is its length?Length of the parking lot: 0 m(b) The area of a rectangular pool is 8075 m.If the length of the pool is 95 m, what is its width?Width of the pool: m

User ZSergei
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We have to use the perimeter formula for rectangles


P=2(w+l)

Where P = 314 m and w = 71 m.


\begin{gathered} 314=2(71+l) \\ (314)/(2)=71+l \\ 71+l=157 \\ l=157-71 \\ l=86 \end{gathered}

Hence, the length is 86 meters.

User David Ackerman
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