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I just want to be sure... one last help for this unit (I hope) Thank you so much!

Guest May 18, 2018
 #1
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0

(213/160)*25=(1065/32) or 33.29125

33.3 m

Guest May 18, 2018
 #2
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+1

sorry, and thank you for trying, but that's incorrect

Guest May 18, 2018
edited by Guest  May 18, 2018
 #3
avatar+7323 
+2

Let the perimeter of the larger figure be  P .

 

\(\frac{25}{16}=\Big(\frac{P}{21.3}\Big)^2\\~\\ \sqrt{\frac{25}{16}}=\frac{P}{21.3}\\~\\ \frac54=\frac{P}{21.3}\\~\\ 21.3\cdot\frac54=P\\~\\ 26.625=P\\~\\ P=26.625\\~\\ P\approx26.6\)

hectictar  May 18, 2018

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