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October 24, 2014

October 24, 2014

Posted by **Chrissy** on Wednesday, November 11, 2009 at 10:28pm.

Directions say write a two-column 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

- Writing a 2 column proof.. -
**drwls**, Thursday, November 12, 2009 at 7:43amIf three corresponding pairs of sides of two triangles are congruent, the triangles are congruent.

Sometimes that is called the side-side-side theorem. Put that in the right hand column. This looks like a one-step proof to me.

It has been a long time since I did two-column proofs

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