Bell Work In your group, answer the following situations: – Red will write the answer: How many intersections are possible when 2 lines cross each other?

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Presentation transcript:

Bell Work In your group, answer the following situations: – Red will write the answer: How many intersections are possible when 2 lines cross each other? – Blue will write the answer: How many different lines can you draw with just 2 points? – Green will write the answer: What type of shape do you get when you cross/intersect 2 planes? – Yellow will write the answer: How many planes can you make with just 3 points?

Chapter 1.4 Segments, Ray, Parallel Lines and Planes 1.0 Students demonstrate understanding by identifying and giving examples of undefined terms and axioms

Vocabulary Segment: part of a line consisting of two points, called endpoints and all points between them Naming of the line segment:

Vocabulary Ray: line consisting of one endpoint and all the points of the line on one side of the endpoint Naming of the ray:

Vocabulary Opposite rays: two collinear rays with the same endpoint. Opposite rays always form a line

Vocabulary Parallel lines: coplanar lines that do not intersect

Name the parallel lines DO put in Cornell notes A B C D E F G H Parallel lines: 1) 2) 3) 4)

Vocabulary Skew lines: lines that are noncoplanar; they are not parallel and do not intersect

Vocabulary Parallel planes: planes that do not intersect. A line and a plane that do not intersect are also parallel.

Name the parallel planes DO put in Cornell notes A B C D E F G H Parallel planes: 1) 2) 3) 4)

Homework P25 #1, 2, 4, 6, (even), 25-33