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      			   Geometry: Areas, Theorems and Problems - Page 10 
  
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		Proposed Problem 88. Triangle and Quadrilateral Areas, Midpoints.  | 
    
	
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		Proposed Problem 87. Area of 
		Quadrilaterals and Midpoints of Diagonals.  | 
    
	
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		Proposed Problem 86. Intouch and 
		Extouch Triangles, Areas.  | 
    
	
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		Proposed Problem 85. Contact 
		Triangles Areas, Incircle, Excircle.  | 
    
	
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		Proposed Problem 84. Contact 
		Triangles Areas, Incircle, Excircle, Inradius, Exradius.  | 
    
	
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		Proposed Problem 83. Area of the 
		Excircle Contact Triangle, exradius, circumradius.  | 
    
	
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		Proposed Problem 82. Area of the 
		Contact Triangle, inradius, circumradius.  | 
    
	
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		Proposed Problem 81. Area of a 
		triangle, side, inradius, circumradius.  | 
    
	
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		Proposed Problem 80. Area of a 
		triangle, side, incircle, inradius.  | 
    
	
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		Proposed 
		Problem 76: Area of a Circle. 
		Square, Circle, Circular Sector.
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