Inscribed Angles and Polygons

inscribed angle: an angle with its vertex _____________ the circle

• at the center of
• on

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

Which number best represents an inscribed angle?

• 1
• 2
• 8
• 9

Which number best represents an intercepted arc?

• 1
• 2
• 6
• 9

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

Find a and b.

• a=74 degrees
  b=93 degrees
• a=93 degrees
  b=74 degrees
• a=87 degrees
  b=106 degrees
• a=106 degrees
  b=87 degrees