Respuesta :

Kaikerscupcake
The Angle Side Angle Theorem would complete the proof. It goes from having a congruent angle to the same side (so congruent side) then congruent angle again.

I hope this helps!


JannetPalos

In the figure, AB || DC and AC is a transversal.

So, ∠2 = ∠3

∠1 = ∠4 (alternate interior angles)

Now, in triangles ACB and ACD,

∠2 = ∠3

∠1 = ∠4

AC = AC (common)

Therefore, Δ ACB ≅ Δ ACD (ASA Rule)



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