Circle:Set of points at the same distance(equidistance) to a point called centre.
Centre:It is the point equidistance to any of the points on a circle.
Radius:It is the lenght of a line segment from the centre to its perimeter.(plural Radi from latin or common english radius)
Circunference:It is the full lenght of a circle. the complete distance around a circle.
Diameter:A line segment that passes through the centre and conects two points of a circle. Its lenght is double than the radius.
Chord:A line segment which conects two points of a circle not through the centre.
Arc:Segment of a circle.
Tangent: Element which touch a circle in one point.
Outer:When an element dosen´t touch the circumference, or another element.
Inner:When an element is fitted inside the circumference, or another elment, being tangent or not.
Concentric circles :They are circles whit diferent radius but place in the plane sharing the centre.
No comments:
Post a Comment