Tangents Lines and Trig

Line segment AB is tangent to circle C. What is the radius of the circle?

• 11

• 15

• 10

• 8

Is line segment AB tangent to the circle?

• Yes

• No

Line segment AB and line segment AD are both tangent to circle C. What is the value of x?

• 4.5

• 5

• 5.5

• 6

Line segment AB is tangent to the circle.

• True

• False

Line segment AB and AD are both tangent to circle C. Find x.

• 2

• 3

• 4

• 5

Line segment AB is tangent to circle C. What is the radius of the circle?

• 3.75

• 4.25

• 3.25

• 3.5

A point B is 17cm away from the centre O of a circle. AB is the tangent to the circle at A. Given that AB = 15 cm, find the radius of the circle.

• 8 cm

• 9 cm

• 2 cm

• 16 cm

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