TY JOUR TI Classification of Abilities of High School Students in the Geometry Study KW classifications KW skills KW high school KW development mathematical abilities KW learning activities KW creative and research activities KW the image and the construction KW operation KW geometric fi gures and measuring KW trigonometric functions of an acute angle. JO Profession-Oriented School AU Visitaeva, M.B. PY 2018 IS 6 PB INFRA-M Academic Publishing LLC.