Triangle-Angle-Bisector Theorem

作者：echung, Accesscd

AD bisects angle BAC. Drag points B and C to manipulate the diagram. The spreadsheet at the right shows the lengths of the sides AB, AC, BD, and CD as well as the ratios. What do you notice about AB/BD and AC/CD?

探索資源

ZADATAK 9
Angle Property 5: Tangents and Properties
Unit Circle 4

探索主題

微積分
三角函數
Pythagoras or Pythagorean Theorem
曲線描繪
Plane Figures or Shapes

Triangle-Angle-Bisector Theorem

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