Circles Central and Inscribed Angles Tangents and Arcs

Find the radius r

• 2

• 3

• 4

• 5

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

• Equal to the Inscribed Angle

• 2(Inscribed Angle)

What is the measure of the missing angle in degrees? (Hint: Inscribed Angle)

• 102

• 51

• 204

• 40

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

• 41

• 37

• 82

• 164

Solve for x. (Hint: Length of Tangent Lines from the Same External Point)

• 42.4

• 52

• 52.3

• 42

Find the measure of the missing arc in degrees. (Hint: Intersecting Chords)

• 103

• 16

• 71

• 94

What is the difference between a tangent line and a secant line?

• A secant intersects the circle twice; a tangent touches the circle once

• A tangent intersects the circle twice; a secant touches the circle once

• A secant goes through the center of the circle; a tangent does not

• A secant is outside the circle; a tangent is inside the circle

Match the following part of the circle with its correct label.

• Chord

• Diameter

• Radius

• Center

• Point S

• Tangent Line

Match the following vocabulary term with its appropriate part of the circle.

• Major Arc

• Point V

• Secant Line

• Line PR

• Semi-Circle

• Minor Arc

• Point of Tangency

Find the measure of the missing angle. (Hint: Central Angles)

• 60

• 310

• 155

• 50