Question | Answer |
the set of all points in a plane that are equidistant from a given point called the center. | circle |
a segment whose endpoints are the center of the circle and a point on the cirle | radius |
a chord that passes through the center of a circle | diameter |
a segment whose endpoints are on a circle | chord |
a line that intersects a circle in 2 points | secant |
a line in the plane of a circle that intersects the circle in exactly one point | tangent |
an angle whose vertex is the center of the cirle | central angle |
part of a circle that measures less than 180 degrees | minor arc |
part of a circle that measures between 180 and 360 degrees | major arc |
an arc with endpoints that are the endpoints of the diameter of the circle | semicirlce |
two circles that have he same raius | congruent circles |
two arcs that have the same measure and are arcs of the same circle or of congruent circles | congruent arcs |
an angle whose vertex is on the circle and whose sides contain chords of the circle | inscribed angle |
the arc that lies in the interior of an inscribed angle and has endpoints on the angle | intercepted arc |
the standard equation f a circle with (h,k) and radius r is (x-h)2 +(y-k)2 =r2 | standard equation of a circle |
the point in a circle from which all points on the circle are equidistant. | center |
the part of a secant segment that is outside the circle | external segment |
a polygon with all of its vertices on a circle | inscribed polygon |
the circle that contains the vertices of an inscribed polygon. | circumscribed circle |