: Place the compass point on a vertex (e.g., vertex
: The orthocenter is exactly at the vertex of the right angle. How to Construct the Altitudes of a Triangle вЉї
: Use a straightedge to draw a line from vertex through point : Place the compass point on a vertex (e
When you repeat this process for all three vertices, the three altitudes will intersect at a single point called the . Depending on the type of triangle, the orthocenter's location varies: Acute Triangle : The orthocenter is inside the triangle. place the point on
, draw an arc below the base line. Keeping the same compass width, place the point on