"angle"

[ "angle", "name", [xc, yc], [xs,ys], radius, angle ]

angular dimension consisting of two radial lines, arc and label

• "name" label text, typeset in MathJax math mode
• [xc, yc] center point
• [xs,ys] end point of radial base line
• radius radius of the arc
• angle angle in °, counterclockwise from base line.

Angular Dimensions

See also "angle1" and "angle2".

[  
  [ "grid", "x","y", -1,9,-1,9, 40],
  ["angle", "\\alpha", [2,1],[3,1],0.8,60],
  ["angle", ".", [1,1],[2,1],0.6,90],
  ["label", "angle", [1.5,0.5]],
  ["angle1", "\\beta", [3,1],[4,1],0.8,60],
  ["label", "angle1", [3,0.5]],
  ["angle2", "\\gamma", [4,1],[5,1],0.8,60],
  ["label", "angle2", [4,0.5]]
]

Right Angle

[ "angle", ".", [xc, yc], [xs,ys], radius, (-)90 ]

symbol for right angle (dot inside arc)

[  
  [ "grid", "x","y", -5,5,-4,5, 50, [10,10], [0,0] ],
  ["angle", ".", [2,-2],[3,-2],0.4,90],
  ["point", "C", [2,-2]],
  ["point", "S", [3,-2]]
]

Two Arrows Angle

[ "angle2", "name", [xc, yc], [xs,ys], radius, angle ]

version with two arrows

[  
  [ "grid", "x","y", -5,5,-4,5, 50, [10,10], [0,0] ],
  ["angle2", ".", [2,-2],[3,-2],0.4,60],
  ["point", "C", [2,-2]],
  ["point", "S", [3,-2]],
  ["point", "R", [2.4,-2]]
]