Question
Line $C F$ is tangent to circle $D$ at $C$. The arc measure of CEis a. Explain why $x=\left(\frac{1}{2}\right) a$.CAN'T COPY THE GRAPH
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The question is about a tangent line to a circle and an arc measure, while the explanation discusses reflecting a point over a line and finding the equation of a line. Therefore, it's not possible to provide a step-by-step solution based on the given explanation. Show more…
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$$\begin{aligned}&\begin{aligned}\text { Given: } & A B \| C D \\ & \stackrel{\leftrightarrow}{D C} \text { is tangent to } \odot O \text { at } T\end{aligned}\\&\text { Conclusion: } \widehat{\mathrm{AT}} \cong \widehat{\mathrm{BT}}\end{aligned}$$ CAN'T COPY THE GRAPH
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