1. Triangle Proofs J E T M

2. State the reason for each statement: J E T M Given: E is the midpoint of MJ. TE MJ. Prove: MET JET Statements: 1. E is the midpoint of MJ 2. ME  JE 3. TE MJ 4.  MET   JET 5. TE  TE 6. ∆MET  ∆JET Reasons: 1. Given 2. Def. of midpoint. 3. Given 4. If 2 lines are, then they form  adjacent angles. 5. Reflexive Property 6. SAS Congruence Theorem

3. State the reason for each statement: Statements: 1. BD  BC 2. AD ║ EC 3.  D   C 4.  ABD   EBC 5. ∆ABD  ∆EBC Reasons: 1. Given 2. Given 3. Alternate Interior Angles 4. Vertical Angles Theorem 5. ASA Congruence Theorem Given: AD ║EC BD  BC Prove: ∆ABD  ∆EBC

4. Prove ∆PQR ∆RSP  Statements: 1. 2. 3. 4. Reasons: 1. 2. 3. 4.

5. Prove ∆ABD ∆ACD  Statements: 1. 2. 3. 4. Reasons: 1. 2. 3. 4.

6. Prove ∆ABC ∆DEC … are they?  Statements: 1. 2. 3. 4. 5. Reasons: 1. 2. 3. 4. 5. What is the problem here??