1. Geometry
Part 1
LINES
LINE SEGMENTS
RAYS

2. Geometry XY AB Line Segment XY Line AB
To name a line or a line segment you need to locate
And label two points on the line or line segment.
A B
X Y XY
Line Segment XY AB
Line AB

3. A RAY Geometry A ray is named with only one end point
and a point on the ray.
G H GH
Ray GH

4. Geometry
LINES
Parallel Lines
Perpendicular Lines
Intersecting Lines

5. Geometry
In the real world
Parallel
Lines

6. Geometry
In the real world
Intersecting
Lines

7. Geometry
Congruent Figures

8. Geometry Congruent figures have exactly the same size and shape.
Each side is exactly the same length.
Each angle is exactly the same size

9. Triangles – 2 ways to classify our three sided polygons
Right Triangle
Sides
Equilateral Triangle – all 3 sides of equal length
Scalene – “scary” sides, all different lengths
Isosceles Triangle – 2 sides of equal length