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Infographic Geometry Problem 1055: Triangle, Altitude, Perpendicular, Area, Circumradius, Circle. Level: High School, SAT Prep, College, Mathematics Education

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In a triangle ABC, R is the circumradius and BF is the altitude (see the figure below). FE and FD are perpendicular to AB and BC at E and D, respectively. If DE = d, prove that area of triangle ABC = R.d
 

Infographic Geometry problem: Triangle, Altitude, Perpendicular, Area, Circumradius, Circle
 
 


 

 

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Last updated: Dec 2, 2014