Math question: In ΔABC and ΔDEF, if AB = DE, BC = EF, and ∠ABC = ∠DEF, what congruence rule can we apply?
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What are the signs of equality for triangles? Prove that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.
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Math Question: Find the area of a triangle with side lengths 8, 10, and 12 using Heron's Formula.