This document defines basic geometry terms including points, lines, rays, angles, triangles, quadrilaterals, circles, and transformations. It explains line segments, parallel and perpendicular lines, acute, obtuse, and right angles, different types of triangles, properties of angles, parts of a circle, and translations and reflections.

1. Geometry By: Jessica Ciccio Camera 1 Date: Feb.25 2011

2. Line’s Line segment Congruent line Segments

3. Basic’s Point: Line: Ray:

4. Line’s Intersecting lines: Parallel lines:

5. Lines Perpendicular lines

6. Angles Acute angle Obtuse angle Right angle Straight line

7. Triangle Acute triangle: Right Triangle: Obtuse Triangle: Isosceles Triangle Scalene triangle:

8. Angles Vertical angles Completely angles Adjacent angles Supplemtary

9. shapes 1 Trapezoid 2 Parallelogram 3 Rhombus 4 Rectangle 5 Square

10. Shapes Circle

11. Parts of a circle Diameter: Radius Chord arc

12. Transformation Translation : Reflection: