# Geometry

## 2001 Submissions

[6] **viXra:2001.0327 [pdf]**
*submitted on 2020-01-17 03:43:51*

### Three Circle Chains Arising from Three Lines

**Authors:** Hiroshi Okumura

**Comments:** 7 Pages.

We generalize a problem in Wasan geometry involving a triangle and its incircle and get simple relationships between the three chains arising from three lines.

**Category:** Geometry

[5] **viXra:2001.0261 [pdf]**
*submitted on 2020-01-15 08:09:45*

### Algorithms Related to the Three Typologies with Constant Angular Step (C) and Manageable (A) (L) and (Pc) Parameters.

**Authors:** Dante Servi

**Comments:** 8 Pages.

Description of the algorithms related to the three typologies with constant angular step (C) and manageable (A) (L) and (Pc) parameters, provided for in the list on the sheet 8/14 (and described below) of my article "How and why to use my graphic method" published on viXra.org in the geometry group at number 1910.0620 rev.(v4). To find all my articles on this subject grouped in a single page, starting from the last published, just click on author's name: Dante Servi.

**Category:** Geometry

[4] **viXra:2001.0173 [pdf]**
*submitted on 2020-01-09 19:57:17*

### A Remark on an Archimedan Square of a Triangle Associated with an Arbelos

**Authors:** Hiroshi Okumura, Ercole Suppa

**Comments:** 3 Pages.

We consider squares with Archimedean incircle arising from a triangle associated with an arbelos.

**Category:** Geometry

[3] **viXra:2001.0158 [pdf]**
*replaced on 2020-01-09 16:40:08*

### A Four Circle Problem and Division by Zero

**Authors:** Hiroshi Okumura

**Comments:** 8 Pages.

We generalize a problem involving four circles and a triangle, and consider some limiting cases of the problem by division by zero.

**Category:** Geometry

[2] **viXra:2001.0123 [pdf]**
*replaced on 2020-01-08 06:57:36*

### Pappus Chain and Division by Zero

**Authors:** Hiroshi Okumura

**Comments:** 4 Pages.

We consider a Pappus chain using division by zero.

**Category:** Geometry

[1] **viXra:2001.0034 [pdf]**
*submitted on 2020-01-03 01:08:58*

### A Chain of Circles Touching a Circle and Its Tangent and Division by Zero

**Authors:** Hiroshi Okumura

**Comments:** 3 Pages.

We consider a chain of circles by division by zero.

**Category:** Geometry