Basic Segments Tangents Chords and Secants

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

• tangent

• secant

• chord

• diameter

A coplanar line that intersects a circle in just one point.

• tangent

• chord

• secant

• radius

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

• 30°

• 45°

• 80°

• 90°

Determine the m∠UTS.

• A

• B

• C

• D

Determine the measure of Arc PG.

• A

• B

• C

• D

Determine the m∠VXW.

• A

• B

• C

• D

Determine the meaure of Arc MN.

• A

• B

• C

• D

Determine the m∠RPU.

• A

• B

• C

• D

Which number best represents an inscribed angle?

• 1

• 2

• 8

• 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.