Secant
Point of tangency
Inscribed angle
Chord
Radius
Diameter
Tangent
Central angles
the location where the tangent line touches the circumference
angle whose vertex IS the center of the circle -the measure of a circle is EQUAL to the measures of the intercepted arc
Segment connecting center to circumference
a line perpendicular to a radius and only touches the circumference once
line intersecting a circle twice
segment connecting 2 points on the circumference and through the center
segment connecting any 2 points on the circumference
angle whose vertex is on the circumference of the circle - The measure of an inscribed angle is HALF of the intercepted arc