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      Harmonic Mean and Geometry - Table of Content |  
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		In geometry, the harmonic mean is a mathematical concept that is used to find a point on a line segment that divides it into two parts in a specific ratio.
		 This technique is known as harmonic division and is based on the properties of a harmonic progression, which is a sequence of numbers that has a certain relationship between its terms.
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		Arithmetic Mean, Geometric Mean, Harmonic Mean, Root Mean Square. |  
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		Geometry Problem 1126.Equilateral Triangle, Circumcircle, Metric Relation, Harmonic Mean.
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		Geometry Problem 
		1108.Right Triangle, External Squares, Catheti, Cathetus, Congruence, Harmonic Mean.
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		Geometry Problem 922.Circle, Tangent Lines, Tangency Points, Chord, Secant, Harmonic Mean.
 
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						Geometry Problem 766Triangle, Altitudes, Exradii, Three Exradius, Equal Harmonic Mean.
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						Geometry Problem 765Triangle, Inradius, Exradii, Three Exradius, Harmonic Mean.
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						Geometry Problem 764Triangle, Inradius, Altitudes, Harmonic Mean.
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						Geometry Problem 757Equilateral Triangle, Circumcircle, Chords, a Half of Harmonic Mean.
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					Geometry Problem 
					750.Complete Quadrilateral, Triangle, Diagonal, Parallel, Similarity, Metric Relations, 
					Harmonic Mean.
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					Geometry Problem 
					749.Triangle, Rhombus, Parallel, Harmonic Mean, Metric Relations.
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					Geometry Problem 
					747.Trapezoid, Diagonals, Parallel, Bases, Midpoint, Similarity, Harmonic Mean, Metric Relations.
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					Geometry Problem 
					746.Triangle, Cevian, Parallel, Similarity, Harmonic Mean, Metric Relations.
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		Geometry Problem 389.Triangle, Parallel lines, Harmonic Mean.
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		Proposed Problem 311.Circle Inscribed in a Semicircle, Chord, Diameter, Harmonic Mean.
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		Proposed 
		Problem 305.Square, Triangles, Angles, Sides, Harmonic Mean.
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		Proposed Problem 304.Triangle, Angle bisector of 120 degrees, Harmonic Mean.
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		Geometry Problem 295.Archimedean Twin Circles, Arbelos, Semicircles, Harmonic Mean, Radii, 
		Perpendicular.
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		Geometry Problem 288.Tangent circles, Harmonic Mean, Radius, Diameter.
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		Geometry Problem 69. Square inscribed in a triangle, Base, 
		Altitude, Similarity, Harmonic Mean
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