Tangent to Circle

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

• parallel

• adjacent

• supplementary

• perpendicular

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

• 57

• 137

• 47

• 257

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not Sture

Is the given segment tangent to circle K?

• Yes

• No

Name the tangent line. 

• s

• WR

• VT

• QR

What is the value of x if both segments are tangent to the circle?

• A

• B

• C

• D

Is BD tangent to the circle?

• Yes

• No

Tap/Click the point of tangency of a line and this circle

The radius and any tangent line intersect at a right angle.

a

b

c

Radius

Right Angle

Tangent Line

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure