Central, Inscribed, and Circumscribed Angles Circles

If a quadrilateral is inscribed in a circle, the opposite angles are

• Supplementary

• Congruent

• Complimentary

What is the formula to use when solving for an intercepted arc of an inscribed angle?

• Equal to the Inscribed Angle

• 2(Inscribed Angle)

If an inscribed angle intercepts a diameter, then it is a(n) _ angle.

• Obtuse

• Right

• Acute

If 2 inscribed angles intercept the same arc, they are _.

• Congruent

• Supplementary

• Complimentary

Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)

• 41

• 37

• 82

• 164

If a polygon is circumscribed around a circle, then all sides are_.

• Tangent

• Secant

• Supplementary

• Complimentary

• Congruent

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

• supplementary

• complimentary

• central

• obtuse

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

• semi-circle arc

• major arc

• minor arc

• sector

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