Intro to triangle congruence proofs: SSS, SAS, ASA, AAS, and HL

Intro to triangle congruence proofs: SSS, SAS, ASA, AAS, and HL

Intro to triangle congruence proofs: SSS, SAS, ASA, AAS, and HL

7:17

About this lesson

  1. Similar tirangles VS. Congruent triangles
  2. Ways to prove congruency:
    • SSS
    • SAS
    • ASA
    • AAS

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Video 1 of 14

Intro to triangle congruence proofs: SSS, SAS, ASA, AAS, and HL

7 min

Selected

Determining if two triangles are congruent with limited information

2 min

Why matching angles alone don't make triangles congruent

1 min

Proving two triangles congruent using the third angle theorem

2 min

Finding missing angles in congruent triangles using triangle sum theorem

2 min

Finding angle R using corresponding angles in congruent triangles

1 min

Finding the corresponding side of SR in congruent triangles

2 min

Finding the corresponding side of HK in congruent triangles

2 min

Finding angle R using corresponding parts of congruent triangles

2 min

Proving two parts of a divided rectangular flower bed are congruent

4 min

Two-column proof that two overlapping triangles are congruent

6 min

Two-column proof that triangle XCY is congruent to triangle ZCY

6 min

Proving triangle congruence using the flowchart method

5 min

Flow proof to prove two triangles are congruent using bisection

7 min