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Angle Bisector, Theorems and Problems - Table of Content
2
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Geometry Problem 1207
Triangle, Circle, Incenter, Circumcenter, Excenter, Circumradius, Perpendicular, 90 Degrees. |
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Geometry Problem 1206
Circle, Angle Bisector, Secant, Triangle, Circumcircle, Congruence, Area. |
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Geometry Problem 1203
Right Triangle, Square, Angle Bisector, Three Congruent Quadrilaterals. |
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Geometry Problem 1191
Circle, Chords, Diameter, Congruence, Midpoint, Collinearity, Bisector. |
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Geometry Problem 1180
Quadrilateral, 120 Degrees, Diagonals, Perpendicular. |
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Geometry Problem 1178
Triangle, Angle Bisector, Metric Relations. |
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Geometry Problem 1177
Triangle, Two Angle Bisectors, Metric Relations. |
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Geometry Problem 1164.
Triangle, Angle Bisector, Cevian. |
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Geometry Problem 1174
Triangle, Quadrilateral, Double, Triple, Angle, Congruence, Excenter, Angle Bisector. |
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Geometry Problem 1163.
Isosceles Triangle, Congruence, Double Angle, Circle, Concyclic Points, Circumcenter, Perpendicular, Angle Bisector. |
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Geometry Problem 1153.
Triangle, Angle Bisectors, Perpendicular, Congruence. |
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Geometry Problem 1144.
Three Equal Squares, Diagonals, Perpendicular, 90 Degrees, Angle Bisector. |
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Geometry Problem 1139.
Triangle, Circumcircle, Angle Bisector, Parallel Lines, 90 Degrees, Concurrent Lines. |
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Geometry Problem 1130.
Cyclic Quadrilateral, Diagonals, Angle Bisector, Congruent Angles. |
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Geometry Problem
1118.
Right Triangle, Angle Trisection, Concyclic Points, Cyclic Quadrilateral. |
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Geometry Problem
1117.
Right Triangle, Angle Trisection, 90 Degrees, Parallel Lines. |
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Geometry Problem
1116.
Right Triangle, Angle Trisection, 90 Degrees, Perpendicular Lines. |
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Geometry Problem
1115.
Right Triangle, Angle Trisection, Equilateral Triangle. |
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Geometry Problem
1114.
Right Triangle, Angle Trisection, Isosceles, Congruence. |
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Geometry Problem
1111.
Right Triangle, External Squares, Cathetus, Angle Bisector, Area, Geometric Mean. |
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Geometry Problem
1110.
Right Triangle, External Squares, Catheti, Cathetus, Angle Bisector, 45 Degree, Internal Square. |
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Geometry Problem
1061.
Triangle, Inradius (r), Circumradius (R), Circumcircle, Angle Bisector, Distance from a point to a Line, Perpendicular. |
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Geometry Problem
1060.
Triangle, Incircle, Incenter, Inscribed circle, Tangent, Angle. |
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Geometry Problem
1048.
Circles, Tangent, Perpendicular, Diameter, Angle Bisector. |
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Geometry Problem
1026.
Right Triangle, 90 Degrees, Triple Angle, Congruence. |
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Geometry Problem
1016.
Triangle, 45 Degrees, Area, Triangle, Quadrilateral, Altitude, Bisector. |
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Geometry Problem
1011.
Triangle, Angle Bisector, Vertex, Circle, Center, Radius, Parallel Lines. |
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Geometry Problem
1005.
Triangle, Circle, Circumcenter, Interior and Exterior Angle Bisector, 90 Degree, Perpendicular. |
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Geometry Problem 979.
Triangle, Cevian, Angle Bisector, Concurrency, 90 Degrees, Perpendicular. |
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Geometry Problem 976.
Isosceles Right Triangle, 45 Degrees, Incenter, Angle Bisector, Hypotenuse. |
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Geometry Problem 975.
Isosceles Right Triangle, 45 Degrees, Angle Bisector, Hypotenuse. |
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Geometry Problem 963.
Right Triangle, 30-60-90 Degrees, Angle Bisectors, Metric Relations. |
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Geometry Problem 958.
Isosceles Triangle, Altitude, 45 Degrees, Perpendicular, Angle Bisector, Metric Relations. |
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Geometry Problem 954.
Intersecting Circles, Secant, Common Chord, Cyclic Quadrilateral, Angle Bisector. |
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Geometry Problem 947.
Triangle, Circumcircle, Angle Bisector, Chord, Arc, Parallel. |
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Geometry Problem 945.
Triangle, Concurrent Lines, Cevians, Perpendicular, Angle Bisector. |
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Geometry Problem 935.
Square, Circle, Center,
Angle Bisector,
Perpendicular, Metric Relations.
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Geometry Problem 925.
Cyclic Quadrilateral, Diagonal, Circle, Angle Bisector, Parallel.
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Geometry Problem 921.
Right Triangle, Circumcircle, Arc, Midpoint, Tangency Point, Incircle,
Angle Bisector.
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Geometry Problem 918.
Triangle, Incenter, Incircle, Angle Bisector, Perpendicular, Metric Relations.
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Geometry Problem 917.
Triangle, Congruence, Midpoints, Angle Bisector, Perpendicular.
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Geometry Problem 914.
Triangle, Orthocenter, Angle Bisector, Parallel Lines, Midpoint.
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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 886
Right Triangle, Incenter, Angle Bisector, Perpendicular, 45 Degrees, Concyclic Points, Isosceles Right Triangle. GeoGebra, HTML5 Animation for Tablets (iPad, Nexus). |
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Geometry Problem
803
Right Triangle, Altitude, Angle Bisector, Perpendicular, Measurement. |
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Geometry Problem 799
Parallelogram, Angle Bisector, Parallel, Triangle, Circumcircle, Circumcenter. |
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Geometry Problem 797
Parallelogram, Angle Bisector, Isosceles and Similar Triangles. |
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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 770
Parallelogram, Angle Bisector, Triangle, Circumcenter, Circumcircle, Angle Measurement. |
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Geometry Problem
751.
Parallelogram, Congruence, Intersecting Lines, Angle Bisector. |
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Geometry Problem
739.
Triangle, Double Angle, External Angle Bisector. Congruence. |
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Geometry Problem
707.
Triangle, Excenters, Angle Bisectors, Angle, Measurement. |
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Geometry Problem 698.
Quadrilateral, Diagonal, Angle Bisector, Triangle, 120 Degrees. |
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Geometry Problem 663.
Scalene Triangle, 60 Degrees, Altitude, Angle Bisector, Perpendicular Bisector. |
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Geometry Problem 632.
Triangle, Interior and Exterior Angle Bisectors, Midpoints, Collinear Points. |
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Geometry Problem 631.
Triangle, Exterior Angle Bisectors, Collinear Points. |
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Geometry Problem 626
Triangle, Distance from the Incenter to an Excenter. |
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Geometry Problem 625
Triangle, Parallel Lines, Congruence, Angle Bisector. |
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Problem
537.
Rectangle, Midpoints, Diagonal, Angle Bisector. |
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Problem 531.
Triangle, Angle Bisector, Midpoint, Parallel, Perimeter, Semiperimeter. |
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Problem 513.
Triangle, Double Angle, Exterior Angle Bisector, Measure. |
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Problem 511.
Triangle, Double Angle, Angle Bisector, Measure. |
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Problem 498.
Triangle, Angle Bisector, Double Angle, Measure. |
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Problem 496.
Triangle, Two Squares, 90 Degrees, Concurrency, Angle Bisectors. |
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Problem 495.
Triangle, 120 Degrees, Angle Bisectors. |
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Proposed Problem 440.
Triangle, Incircle, Incenter, Angle Bisector, Tangency Points, Circle,
Angles. |
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Proposed Problem 428.
Quadrant of a circle, Square, Angle bisector, Measurement. |
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Proposed Problem 401.
Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector,
Congruence. |
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Proposed Problem 400.
Triangle, Angle bisector, Circumcircle, Perpendicular, Congruence. |
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Proposed Problem 380.
Triangle, Excenter, Parallel to a side, Angle, Congruence. |
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Proposed Problem 379.
Triangle, Excenter, Parallel to a side, Angle, Congruence. |
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