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