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Altitude of a Triangle, Theorems and Problems - Table of Content
2
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Geometry Problem 984.
Triangle, Circumcircle, Altitudes, Midpoint, Collinear Points. |
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Geometry Problem 944.
Triangle, Orthocenter, Altitude, Perpendicular, 90 Degrees, Parallel Lines. |
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Geometry Problem 930.
Acute Triangle, Altitudes, Circles, Diameter, Angle, Measure.
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Geometry Problem 896
Triangle, Orthocenter, Midpoint, Median, Intersecting Circles, Diameter, Collinear Points.
GeoGebra, HTML5 Animation for Tablets |
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Geometry Problem 887
Triangle, Altitude, Angle Bisector, Perpendicular, Midpoint, Concyclic Points. GeoGebra, HTML5 Animation for Tablets. |
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Geometry Problem
803
Right Triangle, Altitude, Angle Bisector, Perpendicular, Measurement. |
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Geometry Problem 796
Triangle, Altitude, Measurement of Angles. |
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Geometry Problem 794
Right Triangle, Altitude, Three Incenters, Circumcircles, Incircle, Congruence. |
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Geometry Problem 793
Right Triangle, Altitude, Three Incircles, Incenters, Circumcircle, Circumradius, Perpendicular, Distance. |
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Geometry Problem 792
Right Triangle, Altitude, Angle Bisector, Three Incircles, Five Concyclic Points, Circles. |
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Geometry Problem 790
Right Triangle, Altitude, Angle Bisector, Incircle, Tangency Point, Inradius, Circles, Tangent Line, Congruence. |
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Geometry Problem 789
Right Triangle, Altitude, Angle Bisector, Incircle, Tangency Point, Inradius, Circles, Tangent Line. |
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Geometry Problem 784
Triangle, Orthocenter, Altitude, Midpoint of a side, Perpendicular. |
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Geometry Problem 783
Triangle, Orthocenter, Circumcenter, Circumcircle, Diameter, Altitude, Midpoint. |
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Geometry Problem 782
Triangle, Orthocenter, Circumcenter, Circumcircle, Diameter, Altitude, Parallelogram. |
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Geometry Problem 781
Triangle, Orthocenter, Circumcenter, Vertex, Altitude, Midpoint, Perpendicular. |
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Geometry Problem 780
Triangle, Sum of Inradius and Circumradius, Distances from the Orthocenter to the Vertices. |
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Geometry Problem 779
Triangle, Altitude, Orthocenter, Midpoint, Angle, 90 Degrees. |
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Geometry Problem 778
Triangle, Distance from the Orthocenter to a Vertex, Circle, Circumradius, Side, Square. |
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Geometry Problem 777
Triangle, Distance from the Orthocenter to a Vertex, Circle, Circumradius, Cosine. |
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Geometry Problem 766
Triangle, Altitudes, Exradii, Three Exradius, Equal Harmonic Mean. |
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Geometry Problem 764
Triangle, Inradius, Altitudes, Harmonic Mean. |
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Geometry Problem
753.
Triangle, Altitudes, Orthocenter, Sum of ratios. |
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Geometry Problem
736.
Triangle, Altitude, Perpendicular, Angles, Cyclic Quadrilateral. |
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Geometry Problem
735.
Triangle, Altitude, Perpendicular, Semiperimeter of the Orthic Triangle, Congruence. |
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Geometry Problem
733.
Triangle, Orthocenter, Altitude, Reflection in a line, Circumcircle, Concurrency. |
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Geometry Problem
732.
Triangle, Altitude, Orthic Triangle, Orthocenter, Congruence, Parallelogram. |
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Geometry Problem
731.
Cyclic quadrilateral, Triangle, Orthocenter, Altitude, Perpendicular, Parallelogram. |
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Geometry Problem
730.
Triangle, Altitude, Orthocenter, Perpendicular, Concurrent Lines. |
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Geometry Problem
729.
Triangle, Altitude, Orthocenter, Circumcircle, Perpendicular, Midpoint. |
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Geometry Problem
728.
Triangle, Altitude, Perpendicular, Circumcircle, Midpoint, Intersecting Circles, Concurrency. |
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Geometry Problem
726.
Isosceles Triangle, Perpendicular, Altitude, Midpoint, 90 Degrees. |
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Geometry Problem
721.
Triangle, Orthocenter, Circumcircle, Altitude, Collinear points,
Altitude. |
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Geometry Problem
715.
Triangle, Altitudes, Parallel, Circumcircle, Angle, Measurement. |
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Geometry Problem
704.
Triangle, Orthocenter, Altitude, Midpoint, Perpendicular. |
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Geometry Problem 678.
Triangle, Altitude, Simson Line, Circumcircle, Tangent, Parallel, Perpendicular, Collinear Points. |
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Geometry Problem 674.
Triangle, Altitude, Angles. |
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Geometry Problem 663.
Scalene Triangle, 60 Degrees, Altitude, Angle Bisector, Perpendicular Bisector. |
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Geometry Problem 658.
Triangle, Altitudes, Diameter, Circle, Angles. |
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Geometry Problem 634
Right Triangle, Altitude, Incenters, Areas. |
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