http://www.ck12.org Chapter 1. Basics of Geometry
- Draw a line from the new vertex to the arc intersections.
To watch ananimationof this construction, see http://www.mathsisfun.com/geometry/construct-anglesame.html
Marking Angles and Segments in a Diagram
With all these segments and angles, we need to have different ways to label equal angles and segments.
Angle Markings
Segment Markings
Example 8:Interpret the picture below. Write all equal angle and segment statements.