Tangents Chords and Secants Arc Measures Formulas

Determine the m∠UTS.

• A

• B

• C

• D

Determine the m∠SQR.

• A

• B

• C

• D

A coplanar line that intersects a circle in just one point.

• tangent

• chord

• secant

• radius

What is measure of arc WG?

• 90

• 30

• 150

• 120

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.

Where in the intersection of the secants shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.

• A
• B
• C
• D

Find x

• 10

• 5

• 18

• 9

What is in the picture?

• Two tangents

• Two Secants

• Two Chords

• One Secant and One Tangent

Which best describes segment AB? (a)  

• chord

• secant

• tangent

• diameter