1. TODAY IN GEOMETRY…  Learning Goal 1: 2.4 You will use postulates involving points, lines, and planes  Independent Practice

2. POSTULATE 5:POSTULATE 6: Through any two points there exists one line. A line contains at least two points.

3. POSTULATE 7:POSTULATE 8: If two lines intersect, then their intersection is exactly one point. Through any three noncollinear points there exists exactly one plane.

4. POSTULATE 9:POSTULATE 10: A plane contains at least three noncollinear points. If two points lie in a plane, then the line containing them lies in the plane.

5. POSTULATE 11: If two planes intersect, then their intersection is a line.

6. PRACTICE: State the postulate illustrated by the diagram. POSTULATE 7: If two lines intersect, then their intersection is exactly one point. POSTULATE 11: If two planes intersect, then their intersection is a line.

7. PRACTICE: Use the diagram to write examples of each postulate: POSTULATE 9: POSTULATE 10: A plane contains at least three noncollinear points. Plane P contains points noncollinear points B, A, C If two points lie in a plane, then the line containing them lies in the plane. Points A and B lie on Plane P, line n also lies on Plane P.

8. T F F T T F

9. HOMEWORK #2: Pg. 99: 3-8, 11-23 If finished, work on other assignments: HW #1: Pg. 82: 3-18, 26-28, 47-54