Geometry 4.2Polygons and CongruenceDefinition: Two triangles are congruent iff there is a correspondence between their vertices such that all of their corresponding sides and angles are equal.ΔABC ΔEFDMark the triangles with tick marks and arcs.ABCFEDWhat is the congruence correspondence?Corollary to the definition of congruent triangles:2 Triangles congruent to a third triangle are congruent to each other.
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