# Difference between revisions of "Triangle"

From Conservapedia

(congruence of triangles) |
|||

Line 1: | Line 1: | ||

A '''triangle''' is a three-sided figure. | A '''triangle''' is a three-sided figure. | ||

− | In | + | In Euclidean geometry, each side of a triangle is perfectly straight, and the sum of the internal angles of a triangle is always 180º. |

A [[right triangle]] has one 90º angle. Right triangles have special properties (see [[trigonometry]]). | A [[right triangle]] has one 90º angle. Right triangles have special properties (see [[trigonometry]]). | ||

− | + | See: [[polygon]] | |

− | + | ||

− | + | ||

− | + | ||

− | + | ||

− | + | ||

− | + | ||

− | + | ||

− | + | ||

− | + | ||

[[Category:Geometry]] | [[Category:Geometry]] |

## Revision as of 21:23, 20 May 2007

A **triangle** is a three-sided figure.

In Euclidean geometry, each side of a triangle is perfectly straight, and the sum of the internal angles of a triangle is always 180º.

A right triangle has one 90º angle. Right triangles have special properties (see trigonometry).

See: polygon