input1.txt:
----------
3
0.0 0.0 0.0 1.0 1.0 0.0
-2.5 2.0 1.5 5.0 -0.5 1.0
5.0 109.0 -0.5 100.0 7.5 105.0


correct output:
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Area of rectangle with vertices (0.0,0.0),(0.0,1.0),(1.0,0.0) is 1.0
Area of rectangle with vertices (-2.5,2.0),(1.5,5.0),(-0.5,1.0) is 10.0
Area of rectangle with vertices (5.0,109.0),(-0.5,100.0),(7.5,105.0) is 44.5