The document is notes from a geometry lesson that defines key concepts like points, lines, and planes. It explains that a point has no dimension, a line is one-dimensional, and a plane is two-dimensional. The notes also define related terms like collinear points, which lie on the same line, and coplanar points, which lie in the same plane. The homework assignment is to complete problems 3 through 6, 8 through 11, and 17 through 22 on page 6.

1. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
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2. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
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
Euclid & Geometry

3. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
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.

4. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014

5. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
Line Segment: consists of endpoints
Ray: consists of 1 endpoint
Opposite Rays:
A C B CA & CB
A B
C

6. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014

7. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014

8. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
Intersection: 1 or more points in common

9. 1.1 Points, Lines & Planes
HW pg. 6 #3­6, 8­11, 17­22
August 15, 2014
HW:pg 6
# 3-6,
8-11,
17-22