So it has come to my attention that 'different geometries' have different rules for the interior angles of a triangle... What are these different rules for Euclidean, elliptic and hyperbolic geometry? What i'm really wondering though is what knowing these rules about the interior angles tells us about the extiorior angles. does the interior angle + exterior angle have to equal 180 degree's or something? Thanks for anyone with some insight!(adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# I Triangles in different geometries

Have something to add?

Draft saved
Draft deleted

Loading...

Similar Threads - Triangles different geometries | Date |
---|---|

I 10 different classes of ratio | 56 minutes ago |

B What is the name of this triangular geometric shape? | Feb 20, 2018 |

B Using trig to find distance? | Jan 18, 2018 |

I Putting a point inside a triangle in 3D space | Dec 7, 2017 |

B (Proof) Two right triangles are congruent. | Jul 26, 2017 |

**Physics Forums - The Fusion of Science and Community**