Lines that Intersect Circles Notes
Use the images below to define chord, diameter, and tangent.
Chord:
Diameter:
Tangent:
Example 1) Identify the following objects in the diagram
a) secant line
b) point of tangency
c) tangent line
d) chord
e) a point on the exterior of the circle
f) a point on the interior of the circle
Properties of tangent lines
Property 1
A tangent to a circle ________________________________________ the radius drawn to the point of
tangency.
Property 2
Tangent segments to a circle from a common point outside the circle are ___________________________.
Example 2)
a) Find .
b) Find