Postulates in proving triangle congruent
1. SSS Postulate : If three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent.
Example:
2. SAS Postulate : If two sided and the included angle of a triangle are congruent to two sided and the included angle of another triangle , then the two triangles are congruent.
Example:
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Example:
3. ASA Postulate : If two angles and the included side of a triangle are congruent to two angle and the included side of another triangle, then the two triangles are congruent.
Example:
4. AAS/SAA Postulate : If two angles and the non included side of one triangle are congrunt, respectively, to the corresponding angles and the non-included side of another triangle , then the two triangles are congruent.
Example:




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