**Complete the two-column proof of the Alternate**

**Exterior Angles Theorem.**

**Given: @ ǁ m**

**Prove: ∠1 @ ∠2**

**Proof:**

**Answer:**

**The two angles are corresponding angles.**

**Complete the two-column proof of the Alternate**

**Exterior Angles Theorem.**

**Given: @ ǁ m**

**Prove: ∠1 @ ∠2**

**Proof:**

**Answer:**

**The two angles are corresponding angles.**