1. Warm up Suppose Philadelphia is 300 mi East and 100 mi South of Pittsburgh, and Baltimore is 250 mi East and 175 mi South of Pittsburgh. What is the straight line distance from Philadelphia to Baltimore?

2. Measure and Classify Angles 1.4

3. Angles Name the angle:

4. Example Name three angles:

5. Classifying Angles Acute: Obtuse Right Straight

6. Example: Draw and example of each: AcuteObtuseRight

7. Try it!

8. Angle Addition Postulate If two angles share a side and vertex, The measure of the large angle formed is equal to the sum of the individual angles EX:

9. Example

12. Angle Bisector A ray which divides an angle into two congruent angles

13. Example Find the angle measures not given