Section 1.1 –. Do Now: What is geometry? Homework: Have class guidelines signed by Monday. Points, Lines, & Planes. The three building blocks of geometry are: Points Lines Planes. Points, Lines, & Planes. P. Collinear & Coplanar. Collinear means on the same line. Example:.
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What is geometry?
Have class guidelines signed by Monday
The three building blocks of geometry are:
Collinear means on the same line.
Coplanar means on the same plane
Points A, B, and C are collinear
Points D, E, and F are coplanar
Line Segment: Consists of two points called endpoints of the segment and all the point between them that are collinear with the two points.
How to Name It:
AB or BA
Congruent Segments: Two segments that have the same measure or length
Example: How to Name:
means “is to congruent to”
How to Name:
R is the midpoint of
Example: How to Name
- Need two letters
-First letter is the endpoint of the ray
-Second letter is any other point the ray
Pg. 33 3-6, 8-9, 11, 18, 22-25, 27