A rational triangle is a Triangle all of whose sides are Rational Numbers and all of whose Angles are Rational numbers of Degrees. The only such triangle is the Equilateral Triangle (Conway and Guy 1996).

**References**

Conway, J. H. and Guy, R. K. ``The Only Rational Triangle.'' In *The Book of Numbers.* New York: Springer-Verlag,
pp. 201 and 228-239, 1996.

© 1996-9

1999-05-25