Set of articulated axles with projectable crosspiece

Função

Intended for experimental study, mathematics laboratory and carrying out mathematical experiments on: Mathematics. Plane and metric geometry. The relationships between the angles formed by parallel lines cut by a transversal. Internal angles and external angles. Alternate angles. Alternate internal angles. Alternate external angles. Collateral angles. Internal collateral angles. Congruent angles. Complementary angles. Supplementary angles. Corresponding angles. The properties of the angles between two parallel lines cut by a transversal, etc.