http://www.ck12.org Chapter 1. Basics of Geometry
⊥Perpendicular
=Equal
∼=Congruent
Chapter Keywords
- Geometry
- Point
- Line
- Plane
- Space
- Collinear
- Coplanar
- Endpoint:
- Line Segment
- Ray
- Intersection
- Postulates
- Theorem
- Distance
- Measure
- Ruler Postulate
- Segment Addition Postulate
- Angle
- Vertex
- Sides
- Protractor Postulate
- Straight Angle
- Right Angle
- Acute Angles
- Obtuse Angles
- Perpendicular
- Construction
- Compass
- Angle Addition Postulate
- Congruent
- Midpoint
- Midpoint Postulate
- Segment Bisector
- Perpendicular Bisector
- Perpendicular Bisector Postulate