### Home > GC > Chapter 11 > Lesson 11.1.4 > Problem 11-56

11-56.

See the Math Notes box in Lesson 2.1.4 if you need to review angle relationships.

and corresponding angles,

and alternate interior angles,

and and

11-56.

See the Math Notes box in Lesson 2.1.4 if you need to review angle relationships.

and corresponding angles,

and alternate interior angles,

and and