# A mathematical formula obtained by Evans triangle

by Open Science Repository Mathematics

(September 2013)

#### Abstract

R. J. Evans in 1977 in the American Mathematical Monthly asked such a question: Find all the integer side of the triangle, make it a high and the bottom edge of the ratio is an integer this triangle is only d = 3. At the same time, Evans has given such a triangle, the length of 3, 8, 53. In 2009 the side Hin constructs a kind of the triangle, and that such a triangle has infinite. In this paper, a formula are obtained by Evans, the definition of the triangle, by this formula obtained Evans triangle

**Keywords:** integers, rational numbers.

#### Full text

A mathematical formula obtained by Evans triangle
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