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TR-MO-R1 2022 Problem 17

    Bir ABCABC üçgeninin [AC][AC] ve [BC][BC] kenarlarına sırasıyla DD ve EE noktalarında teğet olan bir çember [AB][AB] kenarını FF ve GG noktalarında kesmektedir. FF noktası AA ile GG arasında, ∣AB∣=81|AB| = 81, ∣BC∣=72|BC| = 72, ∣AC∣=63|AC| = 63 ve ∣CD∣=45|CD| = 45 ise, ∣GB∣−∣AF∣|GB| - |AF| farkı nedir?

    a) 8 b) 7 c) 6 d) 5 e) 4

    Official text Turkish Mathematical Olympiad, first round 2022 official paper, page 11. Quoted with source.

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