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Problem 72.
Intersecting Circles, Cyclic Quadrilateral, Angles, Parallel.
Level: High School, SAT Prep, College |
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Hints:
Problem
71
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Given lines 1 and 2, circle 3 passes
through the points A, B, C, and D, and circle 4 passes through
the points C, D, E, and F. Prove that lines AB and EF are
parallel.
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