1. Objective: Discover properties of tangents
Tangent Properties
Objective:
Discover properties of tangents

2. Tangent Segments Conjecture
Construct large circle O
Draw a tangent line AT where T is the point of tangency.
Draw OT
Measure
Draw a tangent line AP where P is the point of tangency.
Compare AT and AP O P T
Tangent segment A
Tangent Segments Conjecture
Tangent segments to a circle from a point outside the circle are __________.
Tangent Conjecture
A tangent to a circle _________________ the radius drawn to the point of tangency.
is perpendicular to
congruent

3. Tangent Conjecture
A tangent to a circle _________________ the radius drawn to the point of tangency.
is perpendicular to
Tangent Segments Conjecture
Tangent segments to a circle from a point outside the circle are __________.
congruent

4. Tangent Circles
Two circles that are tangent to the same line at the same point
Internally tangent
Externally tangent
Pg 315 #1-6, 17-19, 22, 24