Geometry Problem 1115: Right Triangle, Angle Trisection, Equilateral Triangle. Mobile Apps. Level: High School, SAT Prep, College, Math Education

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The figure below shows a right triangle ABC with AA₁ and AA₂ trisectors of angle BAC, similarly CC₁ and CC₂ trisectors of angle ACB. AA₁ meets CC₂ and CC₁ at C₃ and B₁, respectively. AA₂ meets CC₂ and CC₁ at B₂ and A₃, respectively. Prove that triangle A₁B₂C₁ is an equilateral triangle.

$Infographic Geometry problem 1115: Right Triangle, Angle Trisection, Equilateral Triangle$

Art of Geometry Problem 1115 using Mobile Apps. Light Patterns.

Art of problem 1115 using mobile apps

Art of Geometry Problem 1115 in Motion. Light patterns

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A video posted by Antonio Gutierrez (@gogeometry1) on Jun 28, 2016 at 6:10pm PDT