How to construct (draw) one of the three altitudes of a triangle - Math Open Reference

This page shows how to construct one of the three altitudes of a triangle, using only a compass and straightedge or ruler. A Euclidean construction.

How to find two other vertices of a triangle from two altitudes and one vertex - Quora

What is the equation of the altitudes, and their point of intersection of the triangle whose vertices are (-1,3), (-4,1), and (2,-2)? - Quora

How to Construct a Perpendicular Line through a Point on the Line - Math Lessons

Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler

Altitude of a Triangle, Definition, Formula & Examples - Lesson

Altitudes ( Read ), Geometry

How to construct a triangle using its 3 altitudes - Quora

How to construct an altitude to a triangle

Test items including the definition of the altitude of a triangle.

Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler

How to construct a right triangle ABC, with a right angle in C, if you are given the side c, and the altitude drawn from C itself - Quora

How to Draw Altitudes of a Triangle & Orthocenter

Construction Of Similar Triangles - Examples and Solutions

Worksheet - Construct altitude of a triangle

Medians and Altitudes (13 Step-by-Step Examples!)