Incircle and excircles of a triangle

Topic:Geometry, Incircle or Inscribed Circle

Triangle ABC and extended sides shown in red Internal angle bisectors shown in green External angle bisectors shown in blue Some construction lines and points are hidden

New Resources

Function art 3D - waiting shed
Odd Function Explorer
Right Triangle Inscribed in a Semicircle
繪畫垂直線
Squares Question

Discover Resources

Parking 1
Untitled
Creating a Parabola
Αστέρι - Σταθερές γωνίες
กราฟของสัมการเชิงเส้นตัวแปรเดียว

Discover Topics

Parabola
Upper and Lower Sum or Riemann Sum
Definite Integral
Pyramid
Standard Deviation