a/x = x/b x is in this position
the lengths of three sides of a right triangle
a segment whose endpoints are on the circle
a line that contains a chord
a chord that contains the center of the circle
is a line in the plane of a circle that intersects the circle in exactly one point
point of tangency
the point in which the tangent intersects the tangent
with center O and radius r is the set of all points in space at a distance r from point O
circles with the same center
a line that is tangent to each of two coplanar circles
central angle of a circle
an angle whose vertex is the center of the circle
(equal thier arcs)
less than 180 degrees. (2 letters)
> 180 degrees (3 letters)
= 180 degrees (3 letters0
an angle whose vertex is on the circle
set of all points in a plane at a given distance from a given point in that plane.
coplanar circles that are tangent to the same line at the same point; can be internally or externally tangent
arc that have exactly one point in common
arcs in the same or congruent circles that have equal measures
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