geometry ch.1 notes page 1 · put e on the front and f on the back of the next page. the next page...
TRANSCRIPT
Day2Geom11PointsLinesPlanesNotes.notebook
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August 21, 2019
Jan 56:04 AM
The Front & Back of the first 3 pages are the Table of Contents.In the corner of the upper margin...Put A on the Front and B on the Back of the first pagePut C on the Front and D on the Back of the next pagePut E on the Front and F on the Back of the next page.
The next page starts with #1 on the Front.#2 goes on the next blank page after we finish with #1 notes.
The title of each section goes in the Table of Contents & the Upper Margin of each page of notes.
Notebook Set Up
Jan 56:04 AM
Example: Table of Contents and Notes
Table of Contents 11 Points, Lines, and PlanesA 1
1. 11 Points, Lines, and Planes
Jan 89:26 AM
Set up the first 3 pages in TOC and page 1 Margin.
GeometryCh.1 Notes Page 1P1 11 Points, Lines, and Planes
Jan 89:29 AM
Lesson 1.1 Notes
Undefined Terms: No Formal Definitions, but there is agreement about what is means.Points, Lines, and Planes…
A point has ______ _______________________________. A dot represents a point.
A line has ___________ _________________________________.
It is represented by a line with ________ arrowheads, but it extends without end.
Collinear Points: Points that lie on the ________________ ____________________ .
Jan 810:35 AM
Are the following sets of points collinear?
1. AB and C 2. B and F
3. EB and A
Jan 810:39 AM
A plane has ___________ ________________________________.
It is representd by a shape that looks like a piece of paper, but with no end.
Coplanar Points are points on the ____________ ____________________.
Through any _______ points NOTon the same line there is exactly 1 plane.
Day2Geom11PointsLinesPlanesNotes.notebook
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August 21, 2019
Jan 810:41 AM
Examples:
Refer to the diagram at the right.
4. Name plane P in another way.
5. Name plane Q in another way.
6. Are A and C collinear?
7. Are D, A, B, and C coplanar?
8. Are D and C collinear?
9. Are planes P and Q coplanar?
10. Are AB and plane Q coplanar?
Jan 810:44 AM
In Exercises 1–3, use the diagram.
1. Name two points.
2. Name two lines.
3. Name the plane that contains point A, B, and E.
Jan 810:44 AM Jan 810:43 AM
Defined Terms: Described using knows words.
Segment, Ray, and Opposite rays
A segment consists of _______________________ A and B.
A ray consists of the endpoint A and all points that lie on the _____________ side of A as B.
Opposite Rays 2 rays that have the same ________________________ and extend in _____________________ directions.
Jan 810:35 AM Jan 810:49 AM
4) Name a point that is collinear with points G and H.
5) Name a point that is not collinear with K and P.
6) Name a point that is coplanar with G, K and P.
7) Name the intersection of plane GHL and plane HJN.
8) Name the intersection of plane KJN and plane KGL.
Day2Geom11PointsLinesPlanesNotes.notebook
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August 21, 2019
Jan 810:51 AM
HW#211 P8 #216,2534
Please put your name and class period at the top ofthe homework. Also include the homework number.
Jan 42:33 PM
Through any two points there is exactly one line.
A
B
Postulate = Axiom
Dec 172:05 PM
If two lines intersect, then they intersect in exactly one point.
A
n
m
line m and line n intersect at A.
Dec 197:46 AM
If two planes intersect, then they intersect in exactly one line.
plane Q and plane P intersect in AB
Core Concept Example 1
a. Give two other names for and plane R.b. Name three points that are collinear. Name four points that are coplanar.
Day2Geom11PointsLinesPlanesNotes.notebook
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August 21, 2019
Core Concept Example 2
a. Give another name for .b. Name all rays with endpoint J. Which of these rays are opposite rays?
Monitoring Progress 23
Use the diagram.Give another name for .
Are and the same ray? Are and the same ray? Explain.
Example 3
a. Sketch a plane and a line that is in the plane.b. Sketch a plane and a line that does not intersect the plane.c. Sketch a plane and a line that intersects the plane at a point.
Sketch two planes that intersect in a line.
Monitoring Progress 47
Use the diagram.Name the intersection of and line k.
Name the intersection of plane A and plane B.
Name the intersection of line k and plane A.
Example 5
The diagram shows a molecule of sulfur hexafluoride, the most potent greenhouse gas in the world. Name two different planes that contain line r.
Day2Geom11PointsLinesPlanesNotes.notebook
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August 21, 2019
Closure
Sketch and label the cube as shown. Ask students to identify segments, intersecting lines, intersecting planes, a line not on a plane, and so on.