in typing it is called double spaceing
Chat with our AI personalities
Perpendicular lines or parallel lines are two examples
Lines of symmetry are 2 dimensional. Planes of symmetry are 3D.
trapazoid has 1 set parallel lines and a rhombus has 2 sets of parallel lines
Parallelogram: 2 pairs of parallel lines Trapezoid: 1 pair of parallel lines
Intersection point in lines & in figures' sides it's called vertex.