# 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’