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

Dividing a 3-digit number by a 1-digit number (2)
רישום חופשי
Mosaic
Converting Angle Measures Between Degrees and Radians
Untitled

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Tangents andnormals
Kígyós feladat
intersection between two parabolas
Interior Angle
Modul 4.1_Aprilya, S.Pd._SMP Negeri 2 Tanah Abang

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Equations
Combinatoires
Nombres Rationnels
Exposant
Fonctions Trigonométriques