Question:
# Proving the Congruent Supplements Theorem
Given: $\angle 1$ and $\angle 2$ are supplements, $\angle 3$ and $\angle 4$ are supplements, and $\angle 1 \cong \angle 4$. Prove: $\angle 2 \cong \angle 3$
| Statements | Reasons | |
| --- | --- | --- |
| $m \angle 1+m \angle 2=180$ | $m \angle 3+m \angle 4=180$ | $\angle 1$ and $\angle 2$ are supp. |
| $\angle 3$ and $\angle 4$ are supp. | $\angle 1 \cong \angle 4$ | $m \angle 1+m \angle 2=m \angle 3+m \angle 4$ |
Assemble the proof by dragging tiles to the Statements and Reasons columns.
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