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Given △ ABC and point O, draw the figure after △ ABC rotates 180 ° around point o Don't say that O is the one in the middle, O is outside
After drawing, the figure corresponds to △ a 'B' C‘
Then Ao = a'o is satisfied
BO=B'O
CO=C'O
And AOA ', Bob', COC 'are on the same line
As shown in the figure, make the figure of △ ABC rotated 180 ° about point O. (do not write the method, keep the trace of drawing)
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