circle vocab Flashcards
an unbroken part of the circle
arc
circles with equal radii
congruent circles
the segment from the center of a circle to a point on the circle
radius
the set of all points in a plane equidistant from the center
circle
an arc who measures 180º
semi-circle
a segment going thru the center of a circle (the longest chord)
diameter
an angle whose vertex is on the circle
inscribed angle
an arc that measures more than 180º
major arc
an arc that measures less than 180º
minor arc
a line that contain a chord
secant
circles that are the same shape but different sizes
similar circles
coplanar circle s sharing the same center
concentric circle
a polygon whose vertex is on the circle
inscribed polygon
an angle whose vertex is at the center
central angle
a segment whose endpoints are on the circle
chord
