Properties of Circles Tangent

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

• 2

• 3

• 9

• 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.

• 16 in

• 8 in

• 11 in

• 6 in

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

Determine if a tangent line is shown in the picture.

• Yes

• No

• Note Sure

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

• 57

• 137

• 47

• 257

• 54

• 90

• 306

• 126

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

• right

• acute

• obtuse

• straight

What are the values of w, x and y?

• w=26, x=128, y=52

• w=32, x=64, y= 26

• w=26, x=116, y=54

• w=26, x=128, y=62

A tangent line intersects the circle ...

• in exactly two points

• in exactly one point

• through the center

• with the diameter

In the diagram, three tangents circumscribe a circle. Find the perimeter of the triangle.

• 48.8

• 47.4

• 39.8

• 36.4