Matematika

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plis jawab yah kak plisss
plis jawab yah kak plisss

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  • karena ∆ABC = ∆BDF
    maka BD = BA = 17
    AC = DF = 15
    BF² = BD² - DF²
    BF² = 17² - 15²
    BF² = 289 - 225
    BF = √64
    BF = 8
    AF = AB - BF = 17 - 8 = 9

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