Writing a 2 column proof..
posted by Chrissy .
I have no idea where to start! and I've got lots of these to write.
Directions say write a twocolumn proof...
Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ.
Prove: triangle ABC is congruent to triangle XYZ

If three corresponding pairs of sides of two triangles are congruent, the triangles are congruent.
Sometimes that is called the sidesideside theorem. Put that in the right hand column. This looks like a onestep proof to me.
It has been a long time since I did twocolumn proofs
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