Types of triangles

Types of triangles

1. lines and angles

   • types of angles
     • right angle: 0 = 90
     • reflex angle: 180<360
     • straight angle: 0 = 180
     • acute angle: 0 < 90 >180
     • obtuse angle: 90< 180 >360
   • lines
     • curve line
       • circular line
       • ellipse line
       • parabola line
     • straight line

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