Geometry Circles Central and Intercepted Angles

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

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

• A
• B
• C
• D

• a
• b
• c
• d

What is the relationship between a central angle and an inscribed angle that intercept the same arc?

• The central angle is twice the measure of the inscribed angle.

• The central angle is half the measure of the inscribed angle.

• The central angle is equal to the measure of the inscribed angle.

• The central angle is three times the measure of the inscribed angle.

• A
• B
• C
• D

Determine the value of x using the information in the diagram.

• 60º

• 70º

• 80º

• 100º

• F
• G
• H
• J