4. a. Name <CED two other ways b. Would it be correct to name any of the angles <E? Explain. A. <2, <DEC B. No; 3 angles have E for a vortex, so you need more information in the name to distinguish them from one another.

9. Find the measure of each angle. Classify each as acute, right, obtuse, or straight. a. 30; acute b. 90; right c. 140; obtuse

15.  The following questions are a review of what we covered today. They are designed to help you determine whether or not you understood the new concepts.  Please make sure you make time to come and see me if you are missing more than you are getting right!

16. A. B. C. D.

18. A. ∠M and ∠KML B. ∠KML and ∠NML C. ∠LMK and ∠KML D. ∠LMK and ∠M

19. A. ∠ W, ∠ X, & ∠ V B. ∠ V, ∠ Y, & ∠ W C. ∠ U, ∠ W, & ∠ Y D. ∠ U, ∠ V, & ∠ Y

20. A. 74 B. 40 C. 54 D. 20