Big Ideas Math Integrated I, 2016
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Big Ideas Math Integrated I, 2016 View details
6. Proving Triangle Congruence by ASA and AAS
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Exercise 8 Page 630

What parts of the triangles must be congruent to apply the ASA Congruence Theorem?

∠ F≅ ∠ L

Practice makes perfect

Let's first add the given information, FG≅ LM and ∠ G≅ ∠ M, to the diagram.

We are supposed to use the ASA Congruence Theorem. To do so, we need two angles and the included side of one triangle to be congruent to two angles and the included side of the other triangle. Therefore, to apply this theorem, we need ∠ F and ∠ L to be congruent.

Now we can copy and complete the statement. &Given FG≅ LM, ∠ G ≅ ∠ M, ∠ F≅ ∠ L &Use the ASA Congruence Theorem.