Writing Proofs
1) How to: http://www.wyzant.com/help/math/geometry/introduction/two_column_proofs
2) Video with 4 sample problems: http://www.wyzant.com/help/math/geometry/introduction/two_column_proofs
3) Practice with proofs involving congruent triangles: http://www.wyzant.com/help/math/geometry/introduction/two_column_proofs
4) PRACTICE: http://www.regentsprep.org/Regents/math/geometry/GP4/PracCongTri.htm
5) VIDEO: http://www.youtube.com/watch?v=zQ6Y0fismDg
2) Video with 4 sample problems: http://www.wyzant.com/help/math/geometry/introduction/two_column_proofs
3) Practice with proofs involving congruent triangles: http://www.wyzant.com/help/math/geometry/introduction/two_column_proofs
4) PRACTICE: http://www.regentsprep.org/Regents/math/geometry/GP4/PracCongTri.htm
5) VIDEO: http://www.youtube.com/watch?v=zQ6Y0fismDg