# TG parts of a circle

 what is the circumference of a circle the outline of the circle what is an arc of a circle ? any part of the circumference what is the diameter of a circle a chord that passes through the centre of a circle. It is the size of the circle. what is a semi circle ? a semi cirlce is half a circle what is the quadrant of a circle ? a quater of a circle What is a segment? A segment is a cut part of a circle where the cut line does not go through the centre point. What is a radius? This is the line joining the centre to a point on the circumference. It is half of the diameter. What is a sector? A section of a circle enclosed by two radii and an arc What is a radius? A line joining the centre to a point on the circumference. It is often abbreviated to R. The plural of radius is radii. What is a secant? A line that intersects a circle at two points. what is Concentric circles? They are circles that have the same centre but different radii. A dart board is a good example. What is a Eccentric circle? They are circles that have different centres and different radii AuthorMRgwhite ID140232 Card SetTG parts of a circle Descriptionterms for circles Updated2012-03-22T10:03:28Z Show Answers