Investigation #5

Usage Instruction:
- Click and drag point A and D to move the two triangles.[br]- Click and drag point B to rotate triangle ABC.[br]- Click and drag point E to rotate triangle DEF.[br]- Click and drag F and F' to form triangle DEF.
Question
Is it possible to create a triangle DEF that isn't congruent to triangle ABC?[br]
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Information: Investigation #5