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