Simson's line

Auteur :Terry Tam

P is a point on a circle, and ABC is an inscribed triangle. Prove that the feets of altitudes of point P on 3 sides of the triangle are collinear. (Hint: Consider PABC as a cyclic quadrilateral)

Nouvelles ressources

繪畫垂直線
Squaring a Rectangle (PST Version)
Angle Addition Postulate (V2) - Integer Solutions
Calculating Arc Length, Radius, and Central Angle
Midpoint Theorem Questions: Mild

Découvrir des ressources

angle bisector thm
Steiner's Porism
Newton Principia Lemma IX (and X)
Decimals on a Numberline Drawing
Cube Roots

Découvrir des Thèmes

Entiers Naturels
Rotation
Probabilité
Nombres Réels
Sections Coniques