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Find the measure of chord EF. Enter your numerical answer.

Find the measure of chord EF. Enter your numerical answer.-example-1

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Notice that each chord (CD and EF) defines a segment in the circle whose arc length has the same value. Thus, the length of both chords has to be the same; then,


\begin{gathered} CD=EF \\ \Rightarrow9x-1=41-5x \\ \Rightarrow14x=42 \\ \Rightarrow x=3 \end{gathered}

Finding the length of EF,


\begin{gathered} x=3 \\ \Rightarrow EF=41-5*3=26 \end{gathered}

Therefore, the answer is 26

User Douglas Anderson
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