Secants, Tangents, Chords

Find the value of x.

• 12.5

• 8

• 35

• 16

Find the radius r

• 2

• 3

• 4

• 5

Find x

• 10

• 5

• 18

• 9

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

• 2

• 11

• 7.6

• 9

A line segment connecting any two points on a circle is called a _____________. 

• diameter

• chord

• radius

• circumference 

A line  that intersects a circle at exactly one point is a ____________.

• tangent

• secant

• chord

• radius

What is true about chords?

• Their end points are on the circle

• They go though the circle

• They touch the circle at one point

• They always go through the center point

What is true about tangents?

• Their end points are on the circle

• They go though the circle

• They touch the circle at one point

• They always go through the center point

What is true about secants?

• Their end points are on the circle

• They go though the circle

• They touch the circle at one point

• They always go through the center point

A line segment on the interior of a circle with endpoints on the circle

• Radius

• Diameter

• Secant

• Chord