What is the perimeter of the polygon formed when the points A(-6,6), B(9,-6) and C(9,2) and are graphed and connected with straight lines?

What is the perimeter of the polygon formed when the points A(-6,6), B(9,-6), and C(9,2) and are graphed and connected with straight lines?

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Perimeter of ΔABC = √369 + 8 + √241

[ABC] = 60 u^{2}