Question 780463
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Length: *[tex \LARGE l]


Width: *[tex \LARGE w\ =\ 3l\ -\ 4]


Perimeter:  *[tex \LARGE P\ =\ 2l\ +\ 2w]


Make the substitution of *[tex \LARGE 3l\ -\ 4] for *[tex \LARGE w] and then collect like terms.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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