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单词 Angle bisector theorem
释义

Angle bisector theorem

中文百科

角平分线定理

图中:BD:DC = AB:AC
Figura bz1 Demostración del teorema de la bisectriz aplicando la «Ley de senos».

角平分线定理英语:Angle bisector theorem),或称内分比斯霍腾定理,是一个几何学的定理,在三角形ABC中,由A点作一角平分线与BC交于D,那

AB:AC = BD:DC

角平分线定理是分角定理中\angle BAD = \angle DAC的情况,\frac{BD}{CD}=\frac{AB \sin \ang BAD}{AC \sin \ang CAD}=\frac{AB}{AC}

英语百科

Angle bisector theorem 角平分线定理

In this diagram, BD:DC = AB:AC.
Figura bz1 Demostración del teorema de la bisectriz aplicando la «Ley de senos».

In geometry, the angle bisector theorem is concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle. It equates their relative lengths to the relative lengths of the other two sides of the triangle.

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更新时间:2025/6/20 14:14:49