There are 29 Proofs most of which are moderate difficulty with a few added to challenge those accelerated students you may have. Answers can be found by using the FREE videos of each one of these proofs on YouTube by searching mrcoehoorn. Click on the mrcoehoorn channel and then search the channel for congruent triangle proofs. You can also find flashcards to review the theorems and definitions needed for these proofs by searching coehoorn on www.quizlet.com. If you like this then maybe consider purchasing my entire proof collection which is available for $25.