Angle Relationships and Chords in Circles

A chord is a segment that connects ___________

• the center to the endpoint

• to one point outside the circle

• a central angle

• 2 endpoints of a circle

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.

Which of the following would be a major arc in the diagram?

• BC

• BCD

• CD

• AB

Which is true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.

Use chords to solve fox

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

What is the value of x?

• 45

• 60

• 30

• 75

Solve for measure of arc AB.

• 170°

• 42.5°

• 165°

• 275°

Solve for m∠MLK.

• 149°

• 72°

• 68°

• 136°

What is the correct value for x? Chords AB and AC are congruent.

• 245

• 122.5

• 115

• 360

• A

• B

• C

• D