mr. calise honors geometry room 306 unit a section 1
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Mr. Calise Honors Geometry Room 306 Unit A Section 1. Welcome Back! Hope you had a Great summer!. Drill: Wed 8/27. Look at the picture at right. List as many geometric terms as you can that are represented in the photo. - PowerPoint PPT PresentationTRANSCRIPT
Mr. Calise
Honors Geometry Room 306
Unit A Section 1
WELCOME BACK!HOPE YOU HAD AGREAT SUMMER!
Drill: Wed 8/27Look at the picture at right. List as many geometric terms as you can that are represented in the photo.
Objective: Identify, name, draw, and apply basic facts of points, lines, segments, rays, and planes.
What is Geometry?
Brain Pop Video
Log In InfoName: baltcopsPassword: brainpop
A bit that’s new, a bit of review…
Vocabulary1) Point 2) Line
3) Segment 4) Collinear
5) Parallel Lines 6) Perpendicular Lines
7) Skew Lines 8) Plane
9) Coplanar 10) Ray
11) Opposite Rays12) Parallel Planes
Point
Notes(Vocab)Points: have no size, often
represented with dots, and named with a capital letter.
AB
C
Lines: have no thickness, and extend infinitely in two directions. Named with two points, or a cursive letter.
XY
l
Segments: Are parts of lines, they have two endpoints, and are named by using the two endpoints.
AB
Collinear: points that are lying in the same line.
Non-Collinear: Not lying in the same line.
AB
C
A B C
Parallel Lines: are lines that are in the same plane and do not intersect. (Same Direction)
Perpendicular:
Perpendicular Lines Form Right Angles (90o)
Skew Lines
Skew Lines: Lines that are in different planes. (Different Directions and do not intersect)
Planes: Extend infinitely in all directions. It is flat and has no thickness. There are two ways to name a plane.
To Name a plane you need 3 non-collinear points.
You can also use a capital cursive letter.
Coplanar: Points and lines that are in the same Plane.
R A
Rays: is a “half-line”. It has one endpoint and extends infinitely in one direction.
Opposite R A S
Opposite Rays: share the same endpoint and go in opposite directions.
Parallel Planes
Parallel Planes: Two planes that never intersect.
Examples
Examples
Intro Questions What are parallel lines? True or False: Any two points
are collinear. True or False: Any three
points are collinear. Solve for x: 2x – 8 = x + 12
A
B
C
D
E H
GF
I
Wrap-Up Homework:
Look through a magazine, newspaper, website, brochure, etc.. and cut out and label five examples of Unit A vocabulary words in the real world.
Rectangular Prism Net
Interactive Website for Prisms
Rectangular Prism Sketchpad