Relier Pairs Matching Column GameVersion en ligne Geometry Activity par Adanna Wright 1 Acute Angle 2 Square 3 Rhombus 4 Straight Angle 5 Scalene Triangle 6 Line Segment 7 Intersecting Line Segments 8 Obtuse Angle 9 Angle 10 Parallelogram 11 Quadrilateral 12 Vertex 13 Equilateral Triangle 14 Right Angle 15 Perpendicular Line Segments Line segments that cross each other a triangle with all sides equal and all angles equal a rectangle having all four sides of equal length an equilateral parallelogram having oblique angles a polygon with four sides a triangle having three unequal sides and angles Angle that equals 90 degree. the intersection point of two sides of a plane figure Less than 90° and more than 0 ° Figure formed by two rays. It is more than 90° and less than 180°. one part of a line A quadrilateral having both pairs of opposite sides parallel to each other An angle of 180°. two line segments which cross to form 90 degree angles