Secant Properties in Circles

Find x.

• 4.4

• 8.3

• 9.4

• 8.8

Find the measure of angle MNQ.

• 89

• 45

• 158

• 22

Find the measure of arc AW.

Find m∠DAR.

• 34⁰

• 17⁰

• 68⁰

• 136⁰

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

• Tangent

• Chord

• Diameter

• Secant

PA and PB are tangents of length 15cm to the circle with centre O. If PRO is a straight line with PR = 9cm, calculate the radius of the circle.

What is in the picture?

• Two tangents

• Two Secants

• Two Chords

• One Secant and One Tangent

If ST = 8 and SW = 17, then TW = ​ (a)   , SD = ​ (b)   , and DW = ​ (c)  

• 8

• 15

• 9

• 18.8

• 225

Find the measure of angle V

• 85

• 80

• 87

• 117

What is being represented in the image?

• Tangent

• Concentric Circles

• Radius

• Secant