Properties of Circles Tangent

How many common tangents?

• 0

• 1

• 2

• 3

• 4

How many common tangents?

• 0

• 1

• 2

• 3

• 4

How many common tangents?

• 0

• 1

• 2

• 3

• 4

How many common tangents?

• 0

• 1

• 2

• 3

• 4

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

Find the value of X

• 8.5

• 3.6

• 7.2

• 9.2

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

• Yes

• No

In the diagram, AC is tangent to circle B, find the length of CB.

• 6

• 7

• 8

• 9