Hubert Ludwig, Ball State University

Back to Geometry Bibliography: Contents

Mathematics in Weighting Richard L. Francis Using templates to investigate several concepts. Included are squaring problems and the theorem of Pythagoras. (85, 1992) 388 - 390 Interesting Area Ratios Within A Triangle Manfried Olson and Gerald White Activities for investigating areas of triangles formed when the sides of an original triangle are subdivided. (82, 1989) 630 - 636 Illustrating the Euler Line James M. Rubillo Finding the coordinates of the points on the line. 80, (1987) 389 - 393. The Method Of Centroids In Plane Geometry Aron Pinker Proofs of classical theorems (Ceva, Steiner-Lehmus, etc.) 73, (1980) 378 - 385. A Discovery Activity In Geometry John H. Mathews and William A. Leonard Division ratios for Cevians. 70, (1977) 126. Auxiliary Lines and Ratios Donald W. Stoves Use in obtaining geometric results. Lines meeting inside a triangle. 60, (1967) 109 - 114. An Illustration Of The Use Of Vector Methods In Geometry Herbert E. Vaughan Some theorems about Cevians. 58, (1965) 696 - 701. A New Look At Medians Israel Koral Proof of a division ratio result. 51, (1958) 123. On Certain Cases Of Congruence Of Triangles Victor Thebault Congruence theorems related to division ratios. 48, (1955) 341 - 343. A Farewell (?) To Redians, Nedians, Cevians Merten T. Goodrich Figures determined by Cevians. 45, (1952) 44 - 46. Applications Sheldon S. Myers Use of Ceva's theorem in proportional variation. 45, (1952) 276 - 278. The Nedians Of A Plane Triangle John Satterly Concurrence of Cevians drawn to 1/n division points. 44, (1951) 46 - 48. The Centroid Demonstrator Mathematics Laboratory (Monroe H.S.) A device for demonstrating the concurrence of Cevians. 44, (1951) 138 - 139. More About Nedians Norman Anning Generalizations concerning 1/n division points. 44, (1951) 310 - 312. A Harmonic Divider Emil J. Berger Construction and use. 44, (1951) 417. Cevians, Nedians and Redians Alan Wayna An area ratio approach to the theorems of Menelaus and Ceva. 44, (1951) 496 - 497. Some Nedian Details Adrian Struyk Another approach to Cevians associated with 1/n division points. 44, (1951) 498 - 500. Still More About Nedians Marilyn R. Taig Applications to quadrilaterals. 44, (1951) 559 - 560. Centroids H. v. Baravalle Constructions. Experiments for locating. 40, (1947) 241 - 249. H.J.L. 07/15/97 email: 00hjludwig@bsu.edu home page: http://www.cs.bsu.edu/~hjludwig/ |

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