Triangles
are congruent if they have three equal sides and three equal internal angles. Congruent
triangles can be exact copies or mirror images.
Here are the rules for
congruent triangles:
1. SSS: all three sides are equal
2. SAS: two sides and their included angle are equal
3. ASA: a
pair of angles and their included side is equal
4. AAS: a...
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