Tangents of a Circle

The length of the tangents that can drawn to a circle is 20 cm radius from external point which is 25 cm away from the center is

• 30 cm

• 12 cm

• 15 cm

• 18 cm

Determine the value of z.

• 30^o

• 50^o

• 100^o

What is the value of r?

• 45^o

• 90^o

• 180^o

• 270^o

Calculate the value of s.

• 50^o

• 180^o

• 360^o

In the diagram, SRT is a tangent to the circle at R and PQT is a straight line. Find the value of x.

• 20

• 25

• 30

• 35

O is the centro of the circle. PQR and RST are the tangents of the circle at points Q and S. Determine the value of x + y in the diagram.

The diagram shows a circle with diameter PQ.

• 16

• 32

• 58

• 64

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

• 15

• 6

• -24

• 14

Find x. Assume that segments that appear to be tangent are tangent.

• 11.2

• 18.0

• 25.0

• 30.0

Solve for the missing side.

• 6.3

• 10.4

• 7.2

• 8.9