Orthocenter

Orthocenter Construction

Construct any triangle ABC. Let lines be drawn through <ABC,<BCA, and <CAB such that each line is perpendicular to AC, AB, and BC respectively. The point on which these three lines intersect is the orthocenter.

New Resources

Perimeter of a Rectangle with Unknown Sides
巧算長方形周界
General Polar Equation of Conics with Rotation (2)
Tracing an Ellipse Using Two Circles
The Coordinate Plane (Cartesian Plane)

Discover Resources

Test Colleciton
Circle chord iteration forward
pythagoras
Congruent and Similar Figures
Cailee's Polygon House

Discover Topics

Surface
Similar Triangles
Conic Sections
Polynomial Functions
Quadratic Equations