Chords and Angle Relationships 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.

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

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

• BC

• BCD

• CD

• AB

• 278⁰
• 297⁰
• 90⁰
• 105⁰

Given ∠POR = 150°

Find the value of x.

• 30°

• 105°

• 120°

• 130°

Use chords to solve fox

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

Use chords to solve for x

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

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

• 245

• 122.5

• 115

• 360

• A
• B
• C
• D