Question 1166473
L, the length of the rectangle and the length of each side of the square
w, the width of the rectangle


After drawing and labeling, you should be able to form these:


{{{system(L=3w+4,L^2=w(3w+4)+66)}}}
Solve this system.

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Substitution and simplification, {{{3w^2+10w-25=0}}};


{{{(3w-5)(w+5)=0}}}

{{{highlight(w=5/3=highlight_green(1&2/3))}}}{{{centimeters}}}
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