triangles
1-1
English
German
triangles
subst. pl
die
Dreiecke
n
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Triangle - Wikipedia, the free encyclopedia a.new,#quickbar a.new{color:#ba0000} /* cache key: enwiki:resourceloader:filter:minify-css:5:f2a9127573a22335c2a9102b208c73e7 */
Triangle From Wikipedia, the free encyclopedia (Redirected from
Triangles
) Jump to: , This article is about the basic geometric shape. For other uses, see
Triangle (disambiguation)
. "Isosceles" and "Acute Triangle" redirect here. For the trapezoid, see
Isosceles trapezoid
. For The Welcome to Paradox episode, see
List of Welcome to Paradox episodes
. Triangle
A triangle
Edges
and
vertices
3
Schläfli symbol
{3} (for equilateral)
Area
various methods;
Internal angle
(
degrees
) 60° (for equilateral) A triangle is one of the basic
shapes
of
geometry
: a
polygon
with three corners or
vertices
and three sides or edges which are
line segments
. A triangle with vertices A, B, and C is denoted ABC. In
Euclidean geometry
any three non-
collinear
points determine a unique triangle and a unique
plane
(i.e. a two-dimensional
Euclidean space
).
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Triangles aus Wikipedia.
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