Arcs

The arcs segments, contains:

Property	Type	Description
Center	Coordinated	Coordinate of the center (C) of the arc segment
Radius	Dimension	Arc radius (R)
Chord	Dimension	Straight-line distance between the initial and final vertex
Central Angle	Angle	central angle (A) of the arc segment
Initial Tangent	Angle	Angle of the tangent to the arc at starting point of the arc segment (TI)
End Tangent	Angle	angle of the tangent to the arc end point of the arc segment (TF)
Arc Spin	Text	Direction of arc rotation (clockwise or counter-clock)
Lado do Arco	Text	Arc side in relation to the chord (left or right)