Rose thorns. Geometry jewels

Rose thorns. Geometry jewels

автор: Stan Fulger

ISBN
9786065001022
Издательство
Gil
Год издания
2020
Страницы
134
Язык
engleza
Формат
Мягкая обложка

Описание

It presents some nice ideas, in my opinion, to solve types of really difficult problems in angle calculus, all full of thorns Cuprins 1 Useful theorems / lemmas2 New idea, two problems, one solution3 Incenter, circumcenter, excenter4 Mustafa Yagci triangle5 Triple angle lemma, double angle lemma6 Lemma, important7 Pantalon ` theorem, isogonal conjugate points8 Langley triangle properties9 Case of triangles congruency10 Various methods to solve problems11 Problems to be solved

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