Ch.6 : Tangent to a Circle

A tangent line intersects the circle ...

• in exactly two points

• in exactly one point

• through the center

• with the diameter

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which shows a tangent line?

• 
• 
• 
• 

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Using the tangent lines, find the value of x.

• 60

• 120

• 30

• 300

Tags

CCSS.HSG.C.A.2

Using lines tangent to the circle, find the value of x.

• 57

• 137

• 47

• 257

Tags

CCSS.HSG.C.A.2

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

How many tangents can a circle have?

• 1

• 2

• 4

• infinite

The polygon circumscribes the circle. Find the perimeter.

• 78

• 84

• 72

• 86

Tags

CCSS.HSG.C.A.2

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

• 26

• 57

• 66

• 114

Tags

CCSS.HSG.C.A.2