Answer:
Using the graph, just look at the exact spot where the lines are intersecting and that point is the solution.
The solution is: (1.2, -1.6)
Step-by-step explanation:
You can also test this by plugging the values of the point into both equations.
Answers:

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Work Shown:


P = perimeter

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A = area

The ratio is 4/9<span>.
Area = n (s/2)^2 / tan(</span><span>π /n)</span>