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- 10th-13th grade
- Other
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What are the 4 ways to prove triangles are congruent?
These four criteria used to test triangle congruence include: Side – Side – Side (SSS), Side – Angle – Side (SAS), Angle – Side – Angle (ASA), and Angle – Angle – Side (AAS). There are more ways to prove the congruency of triangles, but in this lesson, we will restrict ourselves to these postulates only.
What are the 5 methods of proving triangles congruent?
There are five ways to find if two triangles are congruent: SSS, SAS, ASA, AAS and HL.
What are the 3 ways to prove triangles congruent?
Methods of Proving Two Triangles are Congruent:.
Side-Side-Side (SSS) Theorem – Three pairs of corresponding sides are congruent in two triangles..
Side-Angle-Side (SAS) Theorem – Two pairs of corresponding sides and the corresponding angle pair between the two sides are congruent in two triangles..
What are the triangle proofs?
Triangle Sum Theorem: The three angles of a triangle sum to 180° Linear Pair Theorem: If two angles form a linear pair then they are adjacent and are supplementary. Third Angle Theorem: If two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles are congruent.