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Ten Geometry Problems 131-140.
Level: High School, College
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Geometry Problems 131 - 140
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Geometry Problem 131. Van Aubel
Theorem, Concurrent Cevians, Sum of Ratios.
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Geometry Problem 132. Triangle,
60 degree, Orthocenter, Congruence, Midpoint. |
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Geometry Problem 133. Triangle,
Angle Bisectors, Collinear Points. |
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Geometry Problem 134. Orthic
Triangle, Altitudes, Angle Bisectors, Orthocenter, Incenter. |
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Geometry Problem 135. Orthic
Triangle, Altitudes, Perpendicular, Parallel |
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Geometry Problem 136. Orthic
Triangle, Altitudes, Perpendicular, Concyclic Points. |
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Geometry Problem 137.
Orthic Triangle, Altitudes, Perpendicular, Incircle, Collinear Points,
Parallelogram. |
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Geometry Problem 138. Nagel's
Theorem, Orthic Triangle, Altitudes, Circumradius, Perpendicular. |
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Geometry Problem 139. Triangle
Area, Orthic Triangle, Semiperimeter, Circumradius. |
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Geometry Problem 140. Triangle,
Excircle, Tangent, Semiperimeter. |
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