(2) If the triangle ABC rotates around a point 180 degrees, and the point B falls on the position of point B2, please draw the triangle A2B2C2. After triangle ABC rotates 180 degrees around this point.
(3) Triangle A 1 b1c1drawn in (1) can be used to draw triangle A2B2C2 drawn in (2). What kind of graphic motion can you get? Please write down one of your plans.
Answer:
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