circle
simple curve of Euclidean geometry
unit circle
circle with radius one
color wheel
abstract illustrative organization of color hues
Circle of equal altitude
real line of position in celestial navigation
magic circle
arrangement of natural numbers on circles where the sum of the numbers on each circle and the sum of numbers on diameter are identical
circle of latitude
all locations on the surface of the Earth that are equidistant from the Equator or either pole
Johnson circles
geometric theorem regarding 3 circles intersecting at a point
Soddy circle
geometric concept
Archimedean circle
circle in the arbelos congruent to the twin circles
concentric circles
circles with common centre
Brocard circle
circle constructed from a triangle
spinning pinwheel
cursor on macOS indicating that an application is busy
Color wheel theory of love
conceptual model in psychology illustrating a theory of love
circumscribed circle
circle that passes through all the vertices of a polygon
fairy ring
natural trace of the circular growth front of mushroom mycelium
Tucker circle
circle linked to a triangle
circle of a sphere
mathematical expression of circle like slices of sphere
triangle circles
circles defined for a triangle
Archimedes' twin circles
two congruent circles within an arbelos, tangent to a segment perpendicular to the base
director circle
curve consisting of all points where two perpendicular tangent lines to the ellipse or hyperbola cross each other
GEOS circle
intersection of four lines that are associated with a generalized triangle: the Euler line, the Soddy line, the orthic axis and the Gergonne line
Twelve-Mile Circle
arc-shaped boundary between the U.S. states of Pennsylvania and Delaware
Carlyle circle
circle in a coordinate plane associated with a quadratic equation