Identifying Lines in Circles

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

• 2

• 3

• 4

• 5

Is line segment AB tangent to the circle?

• Yes

• No

A line that intersects a circle at 2 points is a ...

• Tangent

• Chord

• Diameter

• Secant

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

A line segment whose endpoints are on a circle is a ...

• Tangent

• Secant

• Radius

• Chord

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

Find the value of X

• 3

• 16

• 8

• 12

Find the length of LK

• 24

• 20.25

• 17.5

• 12.32

Prove BA is a tangent line by proving it is a right angle

• Yes

• No