Radius, a straight line from the centre to the circumference of a circle or sphere, Diameter, a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere., Circumference, the distance around the outside of a circle. Pi x Diameter, Arc, a part of a curve, especially a part of the circumference of a circle., Chord, the line segment joining any two points on the circumference of the circle, Segment, the region that is bounded by an arc and a chord of the circle, Sector, a geometric figure bounded by two radii and the included arc of a circle.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?