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Please help asap 25 pts

Please help asap 25 pts-example-1
User Novell
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2 Answers

2 votes

The answer is B hope this helped

User Bpdohall
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5 votes


\text{The formula of a perimeter of a rectangle:}\\\\P=2(w+l)\\\\\text{we have}\\w:l=3:2\to w=(3)/(2)l,\ P=55\ cm\\\\\text{substitute}\\\\55=2\left((3)/(2)l+l\right)\\\\55=2\cdot\left((3)/(2)l+(2)/(2)l\right)\\\\55=2\cdot(5)/(2)l\\\\55=5l\ \ \ \ \ |:5\\\\l=11\ cm\\\\w=(3)/(2)\cdot11=(33)/(2)=16.5\ cm\\\\Answer:\ b.\ 11\ cm,\ 11\ cm,\ 16.5\ cm,\ 16.5\ cm

User Kane Cheshire
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