Tangents Chords Secants

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

∠ ABD is formed by a tangent and a secant intersecting outside of a circle. If minor arc AC = 72° and minor arc CD = 132° , what is the measure of ∠ ABD?

• 30°

• 36°

• 42°

• 48°

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

Solve for x.

• 10

• 85

• 170

• 180

240

230

205

255

• 240

• 230

• 205

• 255

Find the value of x.

• 45

• 10

• 20

• 90

Find the value of x.

• 15

• 18

• 21

• 24

Find the value of x.

• 20.5

• 9.5

• 3

• 5

What is the measure of angle 2?

• 80

• 45

• 125

• 40

What is the measure of angle 1?

• 130

• 65

• 44

• 86