台灣黑皮歐巴桑的學習祕笈

中英文版(國三上數學)  )推理證明 ： 三角形內心的定義與性質

V558 內心～3 2三角形的外心、內心與重心～第五冊第三章～南一版
https://www.youtube.com/watch?v=8GeQcYbN7E4

三角形的三心EP2｜內心
https://www.youtube.com/watch?v=jJiWYH6npQ8

國中數學 三角形的內心
https://www.youtube.com/watch?v=_PcNtp_Csfc

國中數學 內心的相關性質
https://www.youtube.com/watch?v=HRb7R1OOAmI

三角形內心的定義
https://www.youtube.com/watch?v=BAgutEu2iaY

三角形內心的性質
https://www.youtube.com/watch?v=FVUK7NMNlzk

三角形的內心
https://www.youtube.com/watch?v=5n2Eg384KqU

三角形的內心(2)
https://www.youtube.com/watch?v=1WWgTOwk01k

內心的相關性質(1)
https://www.youtube.com/watch?v=G0SxZiorIo4

三角形的內心2
https://www.youtube.com/watch?v=hlBLATONJPY

內心的相關性質(3)
https://www.youtube.com/watch?v=JBe88m7LVZA

內心的相關性質(4)
https://www.youtube.com/watch?v=xZio5YgoaOw

三角形的內心
https://www.youtube.com/watch?v=Zl9K_fQ1LNY

三角形內心的應用1
https://www.youtube.com/watch?v=krCWVi1LyWc

三角形內心的應用2
https://www.youtube.com/watch?v=9Ul2zVjP0yY

三角形內心的應用3
https://www.youtube.com/watch?v=545cRpqYCaM

三角形內心的應用4
https://www.youtube.com/watch?v=1zQLQPw7AX0

三角形內心的應用5
https://www.youtube.com/watch?v=8gUCIhIRwxY

三角形內心的應用6
https://www.youtube.com/watch?v=N6qz4awgX2s

三角形內心的應用7
https://www.youtube.com/watch?v=YknfMC1kyTA

三角形內心的應用8
https://www.youtube.com/watch?v=OJ8nsLP4Myw

三角形內心的應用9
https://www.youtube.com/watch?v=3DkjvFZs1cc

三角形內心的定義與性質課間活動三
https://www.youtube.com/watch?v=mktl9QgrEpo

國中_數學_19-3-1 三角形內心的定義與性質
https://www.youtube.com/watch?v=KdiEHtv80_o

Incenter
https://www.youtube.com/watch?v=4f6X_h5wbzQ

Construct Incenter
https://www.youtube.com/watch?v=aEq4UghXEbg

Incenter of a Triangle
https://www.youtube.com/watch?v=uodrVs42cVI

Incenter of a Triangle
https://www.youtube.com/watch?v=qZnigaxdZvY

Triangle Angle Bisectors & Incenter
https://www.youtube.com/watch?v=Clf1pfvYgK8

Using the incenter to find segment lengths and angles
https://www.youtube.com/watch?v=2n5qMjSkTfA

5-2b Incenter of a Triangle
https://www.youtube.com/watch?v=dsch-baX-3s

Incenter and incircles of a triangle | Geometry | Khan Academy
https://www.youtube.com/watch?v=21vbBiCVijE

5.3 Incenter Construction
https://www.youtube.com/watch?v=HiaXEFqw7i4

Incenter and Angle Bisector Problems
https://www.youtube.com/watch?v=nmQ8kqsnqRU

incenter of a triangle
https://www.youtube.com/watch?v=5d4x5ZHxIcA

Circumcenter Incenter
https://www.youtube.com/watch?v=KvBnzeHnMR0

Circumcenter & Incenter
https://www.youtube.com/watch?v=DFKN-DMJRxw

Analytic Geometry Unit 1 Triangle Properties (Angle Bisectors and Incenter)
https://www.youtube.com/watch?v=2fD_TDr2f1Q

部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=36#%E7%BF%B0%E6%9E%97%E7%89%88_%E5%9C%8B%E4%B8%AD%E6%95%B8%E5%AD%B8_%E4%BA%8C%E4%B8%8A(%E6%95%B8%E5%AD%B83)