### Home > GC > Chapter 6 > Lesson 6.1.1 > Problem 6-4

6-4.

Look at the Math Notes box in Lesson 2.1.4 for extra help.

∠*u* and ∠*z*, ∠*s* and ∠*x*, ∠*v* and ∠*w*, ∠*t* and ∠*y*

6-4.

Look at the Math Notes box in Lesson 2.1.4 for extra help.

∠*u* and ∠*z*, ∠*s* and ∠*x*, ∠*v* and ∠*w*, ∠*t* and ∠*y*