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