Image:Orthosystem.png

[edit] Summary

Diagram for http://en.wikipedia.org/wiki/Orthocentric_system

[edit] Licensing

I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide. In case this is not legally possible: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. Afrikaans | Alemannisch | Aragonés | العربية | Asturianu | Български | Català | Česky | Cymraeg | Dansk | Deutsch | Eʋegbe | Ελληνικά | English | Español | Esperanto | Euskara | Estremeñu | فارسی | Français | Galego | 한국어 | हिन्दी | Hrvatski | Ido | Bahasa Indonesia | Íslenska | Italiano | עברית | Kurdî / كوردی | Latina | Lietuvių | Latviešu | Magyar | Македонски | Bahasa Melayu | Nederlands | ‪Norsk (bokmål)‬ | ‪Norsk (nynorsk)‬ | 日本語 | Polski | Português | Ripoarisch | Română | Русский | Shqip | Slovenčina | Slovenščina | Српски / Srpski | Svenska | ไทย | Tagalog | Türkçe | Українська | Tiếng Việt | Walon | ‪中文(简体)‬ | ‪中文(繁體)‬ | zh-yue-hant | +/-

Eukleides code:

box(-2, -2, 8, 6,3)
A B C triangle
H=orthocenter(A,B,C)
draw(H,dot,4)
mark(C,intersection(line(A,B),line(H,C)),B,right)
x=point(line(B,H),6)
mark(x,intersection(line(A,C),line(H,B)),A,right)
y=point(line(A,H),6)
mark(y,intersection(line(B,C),line(H,A)),B,right)
draw(C,dot,4)
draw(B,dot,4)
draw(A,dot,4)
thickness(3)
draw(A,C,H)
draw(line(A,B),dotted)
draw(line(A,C),dotted)
draw(line(B,C),dotted)
draw(line(H,A),dotted)
draw(line(H,B),dotted)
draw(line(H,C),dotted)

• Orthocentric system