bisector of a triangle

Author:Arthur Lee

A line is drawn to pass through the vertex A and cut its opposite side. Drag D to make this line: 1. bisect the angle at A; 2. bisect the side BC; 3. cut BC perpendicularly. Can we make 2 (but not 3) of these conditions true?

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Perimeter of a Rectangle with Unknown Sides
apec
Text with alpha background color
အခြေခံ data အခေါ်အဝေါ်များ

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Circle Area Explained
HamlatzaPartE2a
جمع كسرين متجانسين مقامهما 8
Centers and special lines in a triangle

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Stochastic Process or Random Process
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