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alexianunez15
18.03.2021 •
Mathematics
Hi guys. how I can construct a quadrilateral ABCD where AB and DC are perpendicular to each other? If you know please help me
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Ответ:
Ответ:
2x + 2y =6
-2x -6y = 2
2x + 2y =6 (f1 + f2)
0 -4y =8
y= -2
x + 3y =-1
x -6 = -1
x= 5