Relacionar Columnas Geometry part 1 of circle unit vocabVersión en línea study geometery circle vocab por Hannah Schmidt 1 Inscribed angle 2 Secant 3 Central angles 4 Diameter 5 Tangent 6 Chord 7 Point of tangency 8 Radius a line perpendicular to a radius and only touches the circumference once 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 the location where the tangent line touches the circumference line intersecting a circle twice Segment connecting center to circumference segment connecting 2 points on the circumference and through the center angle whose vertex IS the center of the circle -the measure of a circle is EQUAL to the measures of the intercepted arc