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单词 EquilateralTriangle
释义

equilateral triangle


An equilateral triangleMathworldPlanetmath is one for which all 3 sides are congruent.

ABC

The following statements hold in Euclidean geometryMathworldPlanetmath for an equilateral triangle.

  • It is a regular polygonMathworldPlanetmath.

  • The bisectorMathworldPlanetmath of any angle coincides with the height, the median and the perpendicular bisector of the .

  • If r is the length of the side, then the height is equal to r32.

  • If r is the length of the side, then the area is equal to r234.

Titleequilateral triangle
Canonical nameEquilateralTriangle
Date of creation2013-03-22 11:44:04
Last modified on2013-03-22 11:44:04
OwnerMathprof (13753)
Last modified byMathprof (13753)
Numerical id22
AuthorMathprof (13753)
Entry typeDefinition
Classificationmsc 51-00
Classificationmsc 81-00
Classificationmsc 08-01
Related topicTriangle
Related topicIsoscelesTriangle
Related topicEquivalentConditionsForTriangles
Related topicEquiangularTriangle
Related topicRegularTriangle
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更新时间:2025/5/3 14:51:19