Ideas in this flowchart

• Understanding Radians
• Reason for Radians
• Unit of Measurement for Angles
• Circle with Radius 1
• Definition of 1 Radian
• Arc Length Equals Radius
• Comparison to Greeks
• Examples of Radians
• 2 Radians
• Arc Length is 2
• 3 Radians
• Arc Length is 3
• Pi Radians
• Straight Line Angle
• Pi Radians = 180 Degrees
• 2 Pi Radians
• Full Circle Angle
• 2 Pi Radians = 360 Degrees