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What is the LEAST amount of information you need about a pair of triangles to be SURE they are congruent?

User Flocked
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2 Answers

6 votes
Two triangles are said to be congruent if the corresponding angles and sides have the same measurements. This means that there are six corresponding parts with the same measurements.
User Bob Flannigon
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4 votes
I hope you have heard about the congruency rules like SSS, SAS, ASA

Those are the least amount of information you need
User AvisSiva
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