Geometry Problems, Online Education

Online Geometry Problem 125: Area of Triangle, Star, Trisection of sides. Level: High School, SAT Prep, College, Mathematics Education

In the figure below, given a triangle ABC of area S. Let be S1 the area of the central star determined by the triangles DFH and EGM. D, E, F, G, H, and M are determined by trisection of each side of the triangle ABC and connecting the corresponding points A', A", B', B", C', and C" with the opposite vertex. Prove that Formula to prove. View or post a solution

Elearning 135: Area Triangle, Star


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