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Hi, I need help with this, I can't figure it out.

 Dec 23, 2019
 #1
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Anyone?? :(

 Dec 24, 2019
 #2
avatar+150 
+1

The original rectangle's ratio:   8.5 : 11    or    8 1/2 : 11    ( 0.773 )

After folding, the ratio changed:    5.5 : 8.5    or    5 1/2  :  8 1/2     ( 0.647 )

indecision

 Dec 24, 2019
edited by Guest  Dec 24, 2019
 #3
avatar+106915 
+1

Let the width shown = w     and  the length shown be  h   (for height)

 

\(\frac{2w}{h}=\frac{h}{w}\\ 2w^2=h^2\\ \sqrt{2}w=h\\ \text{so the ratio of width to length as shown is}\qquad 1:\sqrt2\)

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 Dec 24, 2019
 #4
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Thanks!

Guest Dec 25, 2019

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