#### Question

\overline{AD}

\overline{HB}

\overleftrightarrow{EG}

\overleftrightarrow{JK}

Question

\overline{AD}

\overline{HB}

\overleftrightarrow{EG}

\overleftrightarrow{JK}

\overline{AD} is a diameter because it passes through the center C

and its endpoints are points on the circle

\overline{HB} is a chord because its endpoints are on the circle.

\overleftrightarrow{EG} is a tangent because it intersects the circle in exactly one point.

\overleftrightarrow{JK} is a secant because it intersects the circle in two points