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

Nobody Likes to Be a Semicircle
Spherical dodecahedron/icosahedron
Noisy loop
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Curves

Discover Resources

zzzppp
sk 17.1.7 task 3
Math Project (Angle Bisectors)
Trekant
G.GCI.2 Lengths of Crossing Chords

Discover Topics

Integers
Numbers
Pythagoras or Pythagorean Theorem
Equilateral Triangles
Exponent