1. 1.1 Identify Points, Lines and Planes August 12, 2011
Bellwork
1. How much is bellwork worth?
2. What is the purpose of homework?
3. Who fills out the "While You Were Out"
forms?
4. What percent is tests worth?
5. Did you follow me or like my page?
HW pg. 6 #8­11, 17­22 1

2. 1.1 Identify Points, Lines and Planes August 12, 2011
Chapter 1.1
Point: no dimension, a dot
Line: 1D, a line that extends without end
Plane: 2D, a shape that extends without end
must contain 3 points not on same line
Collinear points: on same line
Coplanar points: on same plane
HW pg. 6 #8­11, 17­22 2

3. 1.1 Identify Points, Lines and Planes August 12, 2011
b. Points S, P, and T lie on the same line, so they are collinear.
Points S, P, T,and V lie in the same plane, so they are coplanar.
HW pg. 6 #8­11, 17­22 3

4. 1.1 Identify Points, Lines and Planes August 12, 2011
HW pg. 6 #8­11, 17­22 4

5. 1.1 Identify Points, Lines and Planes August 12, 2011
Line Segment: consists of endpoints
A B
Ray: consists of 1 endpoint
C
Opposite Rays:
A C B CA & CB
HW pg. 6 #8­11, 17­22 5

6. 1.1 Identify Points, Lines and Planes August 12, 2011
HW pg. 6 #8­11, 17­22 6

7. 1.1 Identify Points, Lines and Planes August 12, 2011
HW pg. 6 #8­11, 17­22 7

8. 1.1 Identify Points, Lines and Planes August 12, 2011
Intersection: 1 or more points in common
HW pg. 6 #8­11, 17­22 8

9. 1.1 Identify Points, Lines and Planes August 12, 2011
HW:pg 6
# 3-6,
8-11,
17-22
HW pg. 6 #8­11, 17­22 9