5. Proving Triangles Congruent-ASA, AAS
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Use the Alternate Interior Angles Theorem. Also, notice that △JML and △MJK have a side in common.
We want to write a flow proof of the conjecture that triangles JML and MJK are congruent. Before we do that, let's recall what we know about flow proofs.
A flow proof uses statements written in boxes and arrows to show the logical progression of an argument. The reason justifying each statement is written below the box. |