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27. μ΄μ μ΄ \( \mathrm{F} \)μΈ ν¬λ¬Όμ \( y^2 = 8x \) μμ ν μ \( \mathrm{A} \)μμ ν¬λ¬Όμ μ μ€μ μ λ΄λ¦° μμ μ λ°μ \( \mathrm{B} \)λΌ νκ³ , μ§μ \( \mathrm{BF} \)μ ν¬λ¬Όμ μ΄ λ§λλ λ μ μ κ°κ° \( \mathrm{C}, \mathrm{D} \)λΌ νμ. \( \overline{\mathrm{BC}} = \overline{\mathrm{CD}} \)μΌ λ, μΌκ°ν \( \mathrm{ABD} \)μ λμ΄λ? (λ¨, \( \overline{\mathrm{CF}} < \overline{\mathrm{DF}} \)μ΄κ³ , μ \( \mathrm{A} \)λ μμ μ΄ μλλ€.) [3μ ] |
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\begin{itemize} |
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\item[1] \( 100 \sqrt{2} \) |
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\item[2] \( 104 \sqrt{2} \) |
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\item[3] \( 108 \sqrt{2} \) |
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\item[4] \( 112 \sqrt{2} \) |
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\item[5] \( 116 \sqrt{2} \) |
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\end{itemize} |