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单词 Median
释义

median


The median of a triangle is a line segmentMathworldPlanetmath joining a vertex with the midpointMathworldPlanetmathPlanetmathPlanetmath of the opposite side.

In the next figure, AA is a median. That is, BA=AC, or equivalently, A is the midpoint of BC.

If the length of the three sides of the triangle are known, the length of the medians can be found by means of Apollonius theoremMathworldPlanetmath.

Titlemedian
Canonical nameMedian
Date of creation2013-03-22 11:44:01
Last modified on2013-03-22 11:44:01
OwnerCWoo (3771)
Last modified byCWoo (3771)
Numerical id18
AuthorCWoo (3771)
Entry typeDefinition
Classificationmsc 51-00
Classificationmsc 55-00
Classificationmsc 55-01
Related topicTriangle
Related topicApolloniusTheorem
Related topicOrthocenterMathworldPlanetmath
Related topicCevasTheorem
Related topicCentroid
Related topicProofOfApolloniusTheorem2
Related topicParallelogramLaw
Related topicTrigonometricVersionOfCevasTheorem
Related topicProofOfParallelogramLaw
Related topicHeightOfATriangle
Related topicCevian
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更新时间:2025/5/4 11:37:47