math terms

half of the diameter

the center of the circle

a segment whose endpoints are on a circle

a chord that passes through the center of a circle

a line that intersects a circle at two points

a line that intersects the circle exactly one point

congruent

an angle whose vertex is the center of the circle

arc with endpoints of a diameter

unbroken part of the circle

part of a circle measuring <180 degrees

part of a circle measuring between 180 and 360 degrees

named with two letters

named with three letters

two circles are congruent if they have the same radius

two arcs are congruent arcs if thhey have the same measure and are acrcs of the same circle or of congruent circles

an angle whose vertex is on a circle

the arc that lies in the interior of an inscribed angle and has endpoints on the angle

a polygon whose vertices all lie on a circle

a circle that contains the vertices of an inscribed polygon

when two chords intersect the interior of a circle , each chord is divided into two segments

a segment that contains a chord of a circle and has exactly one endpoint outside the circle

the part of secant segment that's outside the circle

the distance around a circle

portion of the circumference of a circle

the region bounded by two radiis of the circle and their intercepted arc

the set of all points in space equidistant from a given point

the given point from which all points on the sphere are equidistant

a segment from the center to a point on the sphere

a sphere is a chord that contains the center of the sphere

the intersection of the sphere and a plane that contains the center of the sphere

one of the congruent halfs of a sphere