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Conway's Circle
Author:
Alex CHIK
GeoGebra
Alexander Bogomolny,
Conway's Circle
from Interactive Mathematics Miscellany and Puzzles
https://www.cut-the-knot.org/Curriculum/Geometry/ConwaysCircle.shtml
, Accessed 21 November 2017
gMath 互動數學教室
http://www.gmath.hk
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
找出對稱軸
兩組對邊相等和有直角的四邊形
三位數除以一位數(一)
Discover Resources
平行四邊形
雙搖桿
單一物件分段移動
example1 star
拋物線4--平行四邊形法
Discover Topics
Perimeter
Incircle or Inscribed Circle
Pythagoras or Pythagorean Theorem
Orthocenter
Right Triangles