bisector of a triangle

Autor: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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拼砌四邊形 - 工作紙
רישום חופשי
bewijs stelling van Pythagoras
apec

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Unroll a circle
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Graphs
Perpendicular Bisector
Area Of Intersecting Circles

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Triángulos Isósceles
Cuadrado
Sucesiones y Series
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