Line Segment, Line, A ray, Angle, Acute angle, Obtuse, Right angle, A circle, 360 degrees in a circle, Protractor- used to measure angles, 4 sides 2 parallel - A trapezoid , Parallel lines, Intersecting lines, Perpendicular lines, A straight angle, 90 degree angle (clock), each slice = ? - 60 degrees, each slice =? - 72 degrees, the angle= ? - 120 degrees (clock), the angles= ? - 180 degrees on the clock,

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