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Triangle with Double Angle,
Theorems and Problems - Table of Content
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Geometry Problem 1561:
Triangle ABC, Circumcenter O, Orthocenter H, Parallel Line, and Angle
Secrets. |
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Geometry Problem 1554: Finding the Length of Side AB in Triangle ABC |
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Geometry
Problem 1513 and a Thematic Poem.
Solving the base in a Right Trapezoid with Double Angle and Sum of Two
Sides. Difficulty Level: High School. |
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Geometry
Problem 1507.
Understanding Triangle Geometry: Double Angles, Altitudes, and Measurements. Difficulty Level: High School. |
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Geometry
Problem 1497.
Triangle, Transversal, Same Ratio, Proportionality, Isosceles, Double Angle. |
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Geometry
Problem 1496.
Triangle, Congruence, Isosceles, Double Angle, 30 Degrees. |
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Geometry
Problem 1482.
Right Triangle, Perpendicular, Double Angle, Measurement. |
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Geometry Problem 1387.
Quadrilateral, Double Angle, Congruence, Isosceles Triangle. |
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Problem 1336.
Right Triangle, Cevian, Double Angle, Perpendicular, 90 Degrees.
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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 1162.
Triangle, Congruence, Double Angle, Parallel Lines, Circle, Circumcenter. |
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Geometry Problem
1079.
Quadrilateral, Isosceles Triangle, Diagonals, Double Angle. |
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Geometry Problem
1028.
Right
Triangle, Double, Angle, Midpoint, Congruence. |
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Geometry Problem
1027.
Triangle, Double, Quadruple, Angle, Congruence. |
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Geometry Problem
1026.
Right Triangle, 90 Degrees, Triple Angle, Congruence. |
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Geometry Problem
1025.
Triangle, Double, Triple, Angle, Interior Point. |
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Geometry Problem
1021.
Triangle, Cevian, Double Angle, Sides. |
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Geometry Problem 999.
Right Triangle, Midpoint, Median, Double Angle, Congruence. |
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Geometry Problem 913.
Right Triangle, Double Angle, Triple Angle, Metric Relations.
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Geometry Problem 912.
Right Triangle, Double Angle, Triple Angle, Perpendicular Lines.
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Geometry Problem 911.
Right Triangle, Double Angle, Triple Angle, Concyclic Points, Cyclic Quadrilateral.
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Geometry Problem 882
Triangle, Angle x, 2x, 7x, Cevian, Congruence, Auxiliary Lines. |
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Geometry Problem 849
Special Right triangle, Catheti or legs ratio 1:3, 18.5 Degrees. Double angle. |
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Geometry Problem 848
Special Right triangle, Catheti or legs ratio 1:2, 26.5 Degrees. Double angle. |
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Geometry Problem 835
Isosceles Triangle, Double Angle, Triple Angle, Auxiliary Lines. |
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Geometry Problem
739.
Triangle, Double Angle, External Angle Bisector. Congruence. |
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Geometry Problem 515.
Triangle, Double Angle, Altitude, Measure. |
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Geometry Problem 513.
Triangle, Double Angle, Exterior Angle Bisector, Measure. |
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Geometry Problem 511.
Triangle, Double Angle, Angle Bisector, Measure. |
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Geometry Problem
498.
Triangle, Angle Bisector, Double Angle, Measure. |
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Geometry Problem 45.
Angle,
Double Angle,Triangles, 30-60 degrees. |
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Geometry Problem 44.
Angles,
Double Angle
and triangles, 30-60 degrees. |
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Geometry Problem 43.
Angles,
Double Angle
equal segments, and triangles, 30-60 degrees. |
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Geometry Problem 42.
Angles,
Double Angle,
equal segments, and triangles, 30-60 degrees. |
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Geometry Problem
18.
Right triangle, cevian, Angles,
Double Angle. |
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Geometry Problem
17.
Right triangle, altitude, Angle,
Double Angle. |
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Geometry Problem
6.
Triangle, Cevian,
Double Angle, equal segments, and angles
Solutions. |
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