Difference between revisions of "Triangle"
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| − | 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>. | + | A triangle is a three-sided figure. In geometry, each side of a triangle is perfectly straight. |
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| + | The sum of the internal angles of a triangle is always 180<sup>o</sup>. | ||
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| + | A [[right triangle]] has one 90<sup>o</sup> angle. Right triangles have special properties (see [[trigonometry]]). | ||
See: [[polygon]] | See: [[polygon]] | ||
[[Category:Geometry]] | [[Category:Geometry]] | ||
Revision as of 16:26, April 18, 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