Circles Dictionary Flashcards
The set o points equidistant from a given point
circle
a segment with one endpoint at the center and one endpoint on the circle
radius
a segment with both endpoints on the circle
chord
a chord that passes through the center of the circle
diameter
an angle with a vertex at the center and two sides that are radii
central angle
a portion of the edge of the circle between two given endpoints
arc
an arc with a measure less than 180
minor arc
an arc with a measure greater than 180
major arc
an arc with endpoints on the diameter. the measure is equal to 180
semicircle
a line that intersects the circle at exactly one place
tangent
the point at which the tangent line intersects the circle
point of tangency
a line that intersects the circle in two places
secant