Difference between revisions of "Triangle"

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m (ight triangles have special properties)
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A triangle is a three-sided figure. In geometry, each side of a triangle is perfectly straight.  
 
A triangle is a three-sided figure. In geometry, each side of a triangle is perfectly straight.  
  
The sum of the internal angles of a triangle is always 180<sup>o</sup>.  
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The sum of the internal angles of a triangle is always 180º.
  
A [[right triangle]] has one 90<sup>o</sup> angle. Right triangles have special properties (see [[trigonometry]]).  
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A [[right triangle]] has one 90º angle. Right triangles have special properties (see [[trigonometry]]).  
  
 
See: [[polygon]]
 
See: [[polygon]]
  
 
[[Category:Geometry]]
 
[[Category:Geometry]]

Revision as of 01:03, 23 April 2007

A triangle is a three-sided figure. In geometry, each side of a triangle is perfectly straight.

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