line, point, ray, Line segment, line, point, ray, line segment, line, point, ray, Line segment, line, point, ray, Line segment, an angle that measures 180 degrees, right angle, acute angle, obtuse angle, straight angle, an angle that measures exactly 90 degrees, right angle, acute angle, obtuse angle, straight angle, an angle that measures less than 90 degrees, right angle, acute angle, obtuse angle, straight angle, an angle that measures more than 90 degrees, right angle, acute angle, obtuse angle, straight angle, a polygon is a plane figure, with straight sides, that is closed at all endpoints, true, false, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, perpendicular, intersecting, parallel, vertices, perpendicular, intersecting, parallel, vertices, point where two lines meet or come together, perpendicular, intersecting, parallel, vertices, contains two sets of parallel lines, parallelogram, rhombus, trapezoid, triangle, a quadrilateral with only one pair of parallel sides, parallelogram, trapezoid, rhombus, triangle

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