安島の定理の現代的解法と算額の問題への応用
1999 年 32 巻 p. 33-36
詳細
1999 年 32 巻 p. 33-36
In this paper, we prove Ajima's theorem related to "kan-en", or the status of several circles contacting each other like a ring, by using the method of analytic geometry. The theorem can be applied to solve many problems of the "kan-en" appeared in the "sangaku" that have existed in Chiba Prefecture, and several examples of them are shown in the following.
