Practice problem
Meaning of Congruence in Geometry
How many ways are there to arrange 1, 2, 3, 6, 7 and make a triangle congruent to 4 (or 5)? You can pick and choose from those 5 pieces to rearrange them.
Practice problem
How many ways are there to arrange 1, 2, 3, 6, 7 and make a triangle congruent to 4 (or 5)? You can pick and choose from those 5 pieces to rearrange them.