Circle Theorem Tangent Lines

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

Tags

CCSS.HSG.C.A.2

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

Tags

CCSS.HSG.C.A.2

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

• 4.25

• 14.10

• 3.75

• 6.25

Tags

CCSS.HSG.C.A.2

Determine whether a tangent line is shown in the diagram. (Hint: Use the Pythagorean Theorem)

• Yes

• No

Tags

CCSS.HSG.C.A.2

What is the relationship between this circle and line?

• Tangent

• secant

• chord

• 😶

What can you conclude from the picture?

• m is parallel to circle C

• m is skew to circle C

• m bisects circle C

• m is tangent to circle C

​ - a line in the plane of a circle that intersects the circle in exactly one point

​

• tangent

• Arc Measure

• major arc

• minor arc

• diameter

• semi circle

• tangent line

• circle

• radius

Using the tangent lines, find the value of x.

• 60

• 120

• 30

• 300

Tags

CCSS.HSG.C.A.2

Determine whether a tangent line is shown in each diagram. (Use the Pythagorean Theorem)

• Yes

• No

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

• 90

• 140

• 220

• 360

Tags

CCSS.HSG.SRT.C.8