Coplanar Circles and Common Tangents

A line, ray, or segment is tangent to two coplanar circles is called a ________

• common circle

• common coplanar

• common tangent

• congruent tangents

• 6
• 7
• 8
• 9

set of all points in a plane that are equidistant from a given point called the center

• circle

• square

• triangle

A line in the plane of a circle that intersects the circle at EXACTLY one point.

• tangent

• chord

• secant

• radius 

Tangent Circles have ______ intersection point (s)

• 2

• 1

• 3

How many common tangents do two non-intersecting circles have?

• 4

• 3

• 2

• 1

It is impossible for 2 circles to intersect at more than 2 points. 

• True

• False

• NO
• YES
• MAYBE....

It is a line or segment that is tangent to two coplanar circles.

• Tangent line

• Common tangent

• Tangent segment

• Secant line

It is a set of points equidistant from a fixed point.

• Circle

• Center

• Diameter

• Tangent