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IMO 2013 P4

Author:Jhosue Esteban Infante Carvajal

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Triangle with 3 Right Angles
Reflection Across 2 Parallel Lines
z`]]
Untitled
apec

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Thirdian_add1
Trig Functions, Angles, and Circles - 1
M2-17
Centroid
Tangent Chord Angle

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Orthocenter
Intersection
Combinatorics
Rectangle
Trigonometry

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