# Math Terms in Arapaho: Shapes and Geometry

See’ko’einoo’ = Ellipse, ‘it is a flat circle’

Heenko’einoo’ = Oval, ‘it is a long circle’

Hoonkokoyoo’ = Rhombus, ‘it is a leaning over/falling over square’

Heenkokoyoo’ = Rectangle, ‘it is a long square’

Hoonenkokoyoo’ = Parallelogram, ‘it is a long leaning over/falling over square’

Nenees-oonee’ = Triangle, ‘it has three parts,’ or

Nenees-ouuyoo’ = Also triangle, ‘it has three points’

Any other n-sided figure can be expressed by adding the number root to the endings above:

 4 Yenein 5 Yonoo3on 6 Neniitootox 7 Neniisootox 8 Neneesootox 9 3ii’otox 10 Beeteetox 11 Beteetox neniit 12 Beteetox neniis

Hee3ei’oonee’ or hee3ei’ouuyoo’ = Polygon (of an underdetermined number of sides), ‘to what extent is has a body or a point’, or an even better way of saying it:

Heetoxoonee’ or heetoxouuyoo’ = Also polygon, ‘however many bodies or points it has’

Neneehiisou’u niisiihi’= Isosceles triangle (two angles are equal), ‘they are equal as/in two’

Neneehiisou’u neesiihi’ = Equilateral triangle (three angles equal), ‘they are equal as/in three’

Kookoyouuyoo’ = Right triangle, ‘it is squarely pointed’