1. Ch. 3 I can identify information and vocabulary needed to study for my chapter 3 test
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Today’s Agenda
Identify angles
Write proofs
Identify remote interior and exterior angles
Check assignment
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Lesson
Assignment
Test Tuesday and Wednesday

2. 1.
For Exercises 1–3, suppose a || b and c || d. 1. 2 and 10 are what kind of angles? 2. 3 and what angle are alternate interior angles? 3. 9 and 8 are what kind of angles?

3. 2.
4. Which angle could you show is congruent to 11 to prove a || b? 5. What relationship between 6 and 11 shows c || d?

4. 3.
For Exercises 6–7, suppose a || b and c || d. 6. If m6 = 50, then find m If m2 = 70, then find m6.

5. 4. For Exercises 8–10, suppose a || b and c || d.
8. If m1 = 130, then find m5.
9. If m7 = 110, then find m10.
10. If m4 = 45, then find m12.

6. 5.
Find the value of each variable

7. 6.
Find the value of each variable

8. 7.
Find the value of each variable

9. 8.

10. 9.

11. 10.

12. 11.

13. 12.

14. 13.

15. 14.
1. a pair of parallel planes 2. all lines that are parallel to RV 3. four lines that are skew to WX 4. all lines that are parallel to plane QUVR 5. a plane parallel to plane QUWS

16. 15.
Algebra Determine the value of x for which r ║ s. Then find the measure of each labeled angle.

17. 16.
You will have to do constructions. Please click on the following links to do the construction.
Parallel Lines
Perpendicular lines
Construct Triangles
Right Triangles