Congruent triangles

The four conditions that prove two triangles are congruent, the two that do not, and how to write a short proof.

You will be able to

  • Use SSS, SAS, ASA and RHS
  • Spot facts that do not prove congruence
  • Find missing sides and angles in congruent triangles
  • Write a congruence proof with reasons

20 minutes, 8 exam-style questions.

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