Geometry, Theorems and Problems


 Problem 227. Triangle, Centroid, Exterior line, Perpendiculars

In a triangle ABC, G is the centroid and DEF is an exterior line. If d, e, f, and g are the perpendiculars drawn from A, B, C, and G to this line, prove that: 3g = d + e + f. View or post a solution.

Problem 227: Triangle, Centroid 



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