Secants and Tangents

Determine the measure of ∠NOP

• 15°

• 20°

• 40°

• 50°

∠ 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°

Question: What is the total number of items?

• 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

Find the measure of angle MNQ.

• 89

• 158

• 91

• 22

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.

What is the definition of a secant?

• A line segment whose endpoints are on the circle.

• A line that intersects a circle in one point.

• A line that intersects a circle in two points.

• A line segment which intersects the circle at the point of secancy.

Solve for x.

• 10

• 85

• 170

• 180