Apply Properties of Chords Geometry

In a circle, if a diameter is is perpendicular to a chord, then:

• it bisects the chord

• it bisects the corresponding arc

• it bisects BOTH the chord and its arc

• none of these answers are correct

Find the measure of Arc MN

• 74

• 148

• 37

• 106

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

•  $\overline{EF}$  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

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

Determine if the following expression is true or false. Why?

• The expression  $3x-4=5x-18$  is true because if a radius is perpendicular to a chord, it is the bisector of the chord and its arcs.  

and in circle A. Find the radius