We went over Homework #17
1. x = 140°, y = 40°
2. x = 90°, y = 30°
3. x = 30°. y = 8°, z = 11°
4. x = 56°, y = 100°, z = 25°
5. x = 55°, y = 75°
6. x = 60°, y = 130°
7. x = 70°, y = 12°, z = 38°
8. x = 25°, y = 10°
Then we completed the handout from the previous class (see below)
Demonstration of copying an angle with a protractor and straight edge.
Announcement: Chapter 3 Test is on Wednesday, November 2.
Homework # 18: read Section 3.2 and from page 137
enter Thm. 3.1, 3.2, and 3.2 (about perpendicular lines) in your notes
DO: p 160 #12, 15, 21
p162 #33-37
p171 #71-73
p178 # 1-7 odds
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