Apply Properties of Chords

• Not enough information

Use the following diagram. What is the value of x and y?

• 33
• 18
• 46
• 16

• A
• B
• C
• D

•  $\overline{EF}$  is the radius of circle A

•  $\overline{EF}$  is a secant line of circle A

•  $\overline{EF}$  is the tangent line of circle A

• True

• False

Determine the value of x and y.

Use the diagram of circle A. Which expression and deductive reasoning can be used to find the value of y?