The Tangent Line Problem

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 4

• 14

• 16

• 18

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

Be careful! 7.5 is only the radius

• 11

• 15

• 5

• 8

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 6

• 12

• 14

• 22

Assume all lines that appear to be tangent are tangent. What is the length of the missing segment?

• 9.6

• 5.7

• 11.4

• 10.1

A tangent line and radius _____

• are perpendicular (aka form a right angle)

• never intersect

• form an acute angle

• form an obtuse angle

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent

• secant

• radius

• arc

What is the value of y? Round to the nearest whole number.

• 16

• 17

• 18

• 19

Assume that lines that appear to be tangent are tangent. O is the center of the circle. What is the value of x?

• 90

• 309

• 129

• 39

Assume that lines that appear to be tangent are tangent. O is the center of the circle. What is the value of x?

• 160

• 20

• 70

• 90

In each circle, what is the value of x to the nearest tenth?

• 4.25

• 14.10

• 3.75

• 6.25