general/circles

Portion of a disk enclosed by two radii and an arc

Part of a circle between two points

Intersection of a torus and a plane

Problem on areas of intersecting circles

Area bounded by a circular arc and a straight line

Set of points at distance less than one from a given point

Intersection graph of a chord diagram

Circles related to a point in the plane

Principal fiber bundle

Several sets of circles associated with Apollonius of Perga

Line which touches a circle at exactly one point

Loop seen as a trivial knot

Triangle formed from the points of tangency of a given triangle's excircles

Inscribed circle of a triangle's medial triangle

Circles tangent to all three sides of a triangle

Circle constructed from a triangle

Circle constructed from a triangle

Circle that passes through the vertices of a triangle

Line of southernmost latitude at which the Sun can be directly overhead

Spatial region on Earth

Circle of latitude

Geographic notion

Line of northernmost latitude at which the Sun can be directly overhead

Circle of latitude

Circle of latitude

Geographic coordinate specifying north-south position

Administrative groupings of the Holy Roman Empire