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