Cut-The-Knot-Action 11!

2 Regular Pentagons + 1 Equilateral Triangle = 4 Concyclic Points! Dynamic Illustration of a Problem from Alexander Bogomolny.
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Tim Brzezinski —

 
자료 유형
활동
태그
ccss.hsg.c.a.2  equilateral-triangle  problem-set-problem  problem-set-problems  regular-pentagon  regular-polygon  regular-triangle 
대상 그룹 (연령)
12 – 19+
언어
English
 
 

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