Top 一覧

Is the useless one useless?

	メインコンテンツ	サブコンテンツ
regain00	The concept of "Is the useless one useless?"
regain01	Isosceles triangle and the length of parallel segments	Origical theorem	If not segment BC but line BC	If not isosceles triangle
regain02	Inscribed angle	Starting point	Two results	What relationship?	It becomes quadrangle when showing two results at the same time
regain03	The length of median	Starting point	Parallelogram and so on	Triangle	Two triangles?
		Two triangles?	Trapezoid	How about this?	Hint : looking back
		Hint

Forum of Gemetric Constructor by Y.Iijima