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An Interesting Vector Problem
Utterback, Allen C. – MATYC Journal, 1977
A method for converting a three-dimensional coordinate system to a two-dimensional coordinate system is explained. (MN)
Descriptors: Algebra, Analytic Geometry, College Mathematics, Geometry
Another Compass Construction of Length: The Square Root of N
Page, Warren – MATYC Journal, 1976
A Mascheroni construction for obtaining the length of a line segment which is the square root of a natural number is explained. (DT)
Descriptors: College Mathematics, Geometry, Higher Education, Instruction
An Often-Overlooked Motivation for Proving the Existence of Irrationals
Rosenfeld, Bob – MATYC Journal, 1978
An approach close to the original Greek geometric point of view regarding the question and proof of the irrationality of the square root of two is given. (MN)
Descriptors: College Mathematics, Geometry, Higher Education, History
A Classroom Note on Geometry
Truckson, Erika – MATYC Journal, 1978
An elementary knowledge of geometry is shown to be helpful in problem solving, especially in that the shortest distance between two points is a straight line. (MN)
Descriptors: College Mathematics, Geometric Concepts, Geometry, Higher Education
Patterns and Variations in Polya's Partition of Space Problem
Lucas, John F. – MATYC Journal, 1978
The author organizes some of the information known about the problem of dividing space by five planes in general position along with its extensions, and consolidates it to highlight some interesting patterns in both methods of solving analogous problems and their results. (MN)
Descriptors: College Mathematics, Geometry, Higher Education, Induction