Tangent Lines

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

• 15
• 6
• -24
• 14

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 11.7

• 10.8

• 13.0

• 14.2

A tangent line intersects the circle ...

• in exactly two points

• in exactly one point

• through the center

• with the diameter

Which shows a tangent line?

• 
• 
• 
• 

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

• parallel

• adjacent

• supplementary

• perpendicular

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure

A tangent line intersecting with a radius always creates a ____________ angle

• right
• acute
• obtuse
• straight

Match the following.

• Semicircle

• 
• Minor Arc

• 
• Major Arc

• 

Match the following

• Secant

• 
• Diameter

• 
• Chord

• 
• Radius

• 
• Tangent

•