How to construct (draw) the orthocenter of a triangle- Math Open Reference
![](https://www.mathopenref.com/images/constructions/constorthocenter/ortho1.gif)
How to construct the orthocenter of a triangle with compass and straightedge or ruler. The orthocenter is the point where all three altitudes of the triangle intersect. An altitude is a line which passes through a vertex of the triangle and is perpendicular to the opposite side. A Euclidean construction
Solved Constructing the orthocenter of a triangle After
![](https://cdn1.byjus.com/wp-content/uploads/2020/06/Orthocenter-2.png)
Orthocenter (Definition and How to Find with Example)
![](https://www.mathopenref.com/images/constructions/constisosceles/proof.gif)
How to construct an isosceles triangle given base and one side - Math Open Reference
![](https://www.mathopenref.com/images/constructions/constaltitudeobtuse/proof.gif)
How to construct (draw) one of the three altitudes of an obtuse triangle - Math Open Reference
Solved Draw the 3 altitudes for the triangle below and place
![](https://www.mathopenref.com/images/constructions/constorthocenter/step9.png)
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Triangle.Orthocenter.svg/1277px-Triangle.Orthocenter.svg.png?w=640)
Orthocenter For the Love of Math – Geometry
![](https://study.com/cimages/videopreview/su4sa7vv5j.jpg)
Orthocenter, Definition, Formula & Properties - Lesson
![](https://www.mathopenref.com/images/constructions/constisosceles2/proof.gif)
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler - Math Open Reference
![](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41586-023-06747-5/MediaObjects/41586_2023_6747_Fig1_HTML.png)
Solving olympiad geometry without human demonstrations
How to construct a triangle and find its centroid - Quora
Orthocenter Calculator, Definition
Does an obtuse angle triangle have an orthocenter? - Quora