Interactive: Proving Angles Congruent Answers

What is the missing reason for line 4 in this proof? Given: Prove: and are supplementary Statement Reason 1. 1. 2. 2. 3. and form a linear pair 3. 4. and are supplementary 4. 5. 5. 6. 6. 7. and are supplementary 7. A. given B. substitution property of equality C. linear pair postulate D. definition of a linear pair Please select the best answer from the choices provided

What is the missing reason for line 3 in this proof? Given: Prove: and are supplementary Statement Reason 1. 1. 2. 2. 3. and form a linear pair 3. 4. and are supplementary 4. 5. 5. 6. 6. 7. and are supplementary 7. A. given B. substitution property of equality C. linear pair postulate D. definition of a linear pair Please select the best answer from the choices provided

What is the missing reason for line 6 in this proof? Given: Prove: and are supplementary Statement Reason 1. 1. 2. 2. 3. and form a linear pair 3. 4. and are supplementary 4. 5. 5. 6. 6. 7. and are supplementary 7. A. given B. substitution property of equality C. linear pair postulate D. definition of a linear pair Please select the best answer from the choices provided

What is the missing reason for line 2 in this proof? Given: Prove: and are supplementary Statement Reason 1. 1. 2. 2. 3. and form a linear pair 3. 4. and are supplementary 4. 5. 5. 6. 6. 7. and are supplementary 7. A. given B. definition of C. congruent angles theorem D. definition of a linear pair Please select the best answer from the choices provided