Secants and Chord Angles

The measure of an angle formed by two secant lines that intersect inside a circle is _______ the sum of the measures of the intercepted arcs.

Find the measure of arc WZ. Which is incorrect?

• 107 = ½(74 + WZ)

• 107 = ½(74) + ½WZ

• 2(107 - 37) = WZ

• WZ = 140

• None of these

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

The measure of an angle formed by two lines that intersect outside a circle is half the ______________ of the measures of the intercepted arcs.

Which is secant?

• 50

• 75

• 210

• 105

is a...

• Secant

• Tangent

• Chord

• Point of Tangency

Solve for x.

• 140

• 89

• 51

• 38

is a... 

• Secant

• Tangent

• Chord

• Point of Tangency

Describe the line segments in the picture given.

• Intersecting Tangents

• Intersecting Secants

• Intersecting Chords

• Inscribed Angle