#### Answer

Given:
1. AB≅AC
4. $\angle$6≅$\angle$7
Reasons:
2. The base angles of an isosceles triangle are congruent.
3. Angles that meet to form a straight line are supplementary.

#### Work Step by Step

Statement 1 is given and statement two is true because ABC is an isosceles triangle. Statement 3 is true because the angles form straight lines which verifies statement 4.