Proving Theorems
Respond to prompts 1.8-1.10 in you daily notebook.
These are designed to help you prepare for this week's quiz. Think about what information you have to include in order to logically justify every element of your proof. Make sure to include diagrams and refer to them in each proof.
1.8 What theorem is illustrated in the diagram below? Prove the theorem.
1.9 Prove the corresponding angles theorem using transformations.
1.10 Two-Column Proof
A. Use the two theorems above to construct a two-column proof that alternate interior angles are congruent.
B. Use the two theorems above to construct a two-column proof that alternate exterior angles are congruent.
Hint: look up the Transitive Property in your special notebook.