Simson's line

Author: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)

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兩位數的位值
函數的單調性
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Nikmati Keunggulan Di Bandar Judi Terpercaya

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دایره مونژ در بیضی
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Ratios
Subtraction
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