Geometrical kaleidoscope
By: Boris Pritsker
Published: 2017
Language: eng
Number of pages: 124
ISBN-13: 9780486812410
Subjects: Geometry
Notes: Includes bibliographical references (pages 123-124).
Table of contents: title: Medians, centroid, and center of gravity of a system of points; title: Altitudes and the orthocenter of a triangle and some of its properties; title: The orthic triangle and some of its properties; title: The angle bisector of a triangle and its properties; title: The area of a quadrilateral; title: The theorem of ratios of the areas of similar polygons; title: A pivotal approach : applying rotation in problem solving; title: Auxiliary elements in problem solving; title: Constructions siblings; title: Session of one interesting construction problem; title: Morley's theorem.