Geodesic

Volume 89 (2019) no. 1

Sommaire

Proportional segments, a polygon, and Chevy's lines into a circle of the 7-th year students' research competence
p. 2-8
On impossibility to construct a center of a circle by a ruler alone based on the method of visual constructions
p. 9-12
Two geometric notes
p. 13-21
The history of hyperbolic functions research and some applications, finished
p. 22-31
Theory and the main issue of the Preference card game
p. 32-37
Application of invariants for involution transforms of a triangle for recognition of graphic images
p. 38-42
Problems of math competition of the South Ural State
p. 43-56
To derivation of the ``First Remarkable Limit''
p. 57-58