1. Tangents

2. On the same plan as a circle That intersects the circle
Tangents
A tangent is a line
On the same plan as a circle
That intersects the circle
In exactly one point

3. Tangents A B
Point of tangency C

4. Tangents A common tangent is a line, ray, or segment
that is tangent to two circles
in the same plane.

5. Tangents
common
tangents

6. Tangents
common
tangents

7. Tangents A line is tangent to a circle if and only if it is
Perpendicular to a radius
at a point of tangency

8. Tangents l
is tangent S
If and only if l T

9. the same exterior point
Tangents
If two segments from
the same exterior point
are tangent to a circle
then they are congruent

10. Tangents If
are tangent B A
Then D C