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						Infographic Geometry Problem 1057: Triangle, 
						Area, Circle with Perpendicular Diameters, Tangent, 
						Secant. Level: High School, College, Mathematics Education
				
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		The figure below shows a circle of center O with 
		diameter AB perpendicular to diameter CD, and CE tangent at E. Secant 
		EFA intersects OC at G and BG extended intersects circle O at H. If CH = 
		5, find the area of triangle BEF. 
                
		                
				  
				 
 
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