You can use the fact that two angles are called supplementary if their sum is 180 degrees.
The answers are:
The reason in the second column of a two column proof is
The reason that should go in box 2 of the two column proof is
- Option b. Definition of supplementary angles
What is premise?
A previous statement from which the next statement is proved or is based on for its validity.
What is a theorem?
A proved mathematical statement is a theorem.
What is a counterexample?
An example given to counter or deny a statement is called counterexample for that statement.
What is a conjecture?
A mathematical statement which is laid down but not proved yet is called a conjecture.
What are supplementary angles?
Two angles are called supplementary if their sum is 180 degrees.
Thus, we have:
The reason in the second column of a two column proof is
The reason that should go in box 2 of the two column proof is
- Option b. Definition of supplementary angles
Learn more here about supplementary angles here:
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