Circles Secants and Tangents Vocab Chord

Determine the m∠SQR.

• A

• B

• C

• D

Determine the measure of Arc BA.

• A

• B

• C

• D

Which number best represents an inscribed angle?

• 1

• 2

• 8

• 9

Which number best represents an intercepted arc?

• 1

• 2

• 6

• 9

Inscribed Angle: an angle with its vertex _____________ the circle and its sides  _____________     

• at the center of;
   forming chords/secants.

• on;
  forming chords/secants.

• outside;
  forming tangents.

• on the circle;
  forming a tangent and a chord/secant.

The intercepted arc of an inscribed angle  is ___________________ the measure of the inscribed angle.

• congruent to

• half

• double

• supplementary to 

An inscribed angle that intercepts a semicircle  is a(n) ___________ angle.

• right

• acute

• obtuse

What is m∠LMO?
(Segment LO is a diameter of Circle P)

• 30°

• 45°

• 80°

• 90°

What is m∠ACB?

• 67.5°

• 90°

• 22.5°

• 45°

What is the measure of angle 2?

• 80

• 45

• 125

• 40