1. Chapter 1
Exploring Geometry

2. 1.7 Using Deductive Reasoning

3. Drill 1)
A B C
If AB is 3x and BC is 2x + 10, find BC if AC equals 80 feet.
2) Does the ceiling and your desktop represent parallel planes? (WHY)
3) How many points do we need to name a plane?

4. Types of Angles Vertical Angles
Vertical Angles are angles that are opposite each other where two lines intersect.
Ex : 1 & 3 as well as 2 & 4

5. Types of Angles Adjacent Angles
Adjacent Angles are angles that share a common endpoint and share a common ray.
Ex : Angles A and B

6. Types of Angles
Complementary Angles
Two angles that have a sum of 90 degrees.

7. Types of Angles
Supplementary Angles
Two angles that have a sum of 180 degrees.

8. Guided Practice

9. Classwork
Pages 50 – 51
#’s 14 – 18, 22

10. Homework
Worksheet # 1.7

11. 1.8 The Coordinate Plane

12. Formulas
The Distance Formula

13. Midpoint Formula

14. Classwork
Pages 56 – 57
#’s 8, 10, 14, 16, 18, 20

15. Homework
Worksheet # 1.8