Tangents Chords and Secants Arc Measures Formulas

Determine the m∠RPU.

• 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

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

• congruent to

• half

• double

• supplementary to 

Solve for 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

A segment that connects two points on a circle; may or may not pass through the center of the circle.

• tangent

• secant

• chord

• diameter

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°

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.