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Incircle, Excircle, and Nine-point Circle

Author:Steve Phelps
Topic:Circle
The Nine-point circle is internally tangent to the incircle and externally tangent to the three excircles.

New Resources

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  • Angles of Intersecting Lines
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  • Unit 3 Quiz 1
  • الأعمدة المنصفة في المثلث تلتقي في نقطة مركز الدائرة الحاصرة
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Discover Topics

  • Geometric Distribution
  • Surface
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  • Translation
  • Vectors 3D (Three-Dimensional)
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