CirclesVersión en línea Match circle vocabulary por Jason Clarke 1 Centre 2 Circumference 3 Radius 4 Diameter 5 Tangent 6 Sector 7 Arc 8 Chord 9 Segment Centre Midpoint of a circle Circumference Perimeter of a circle Radius Straight line from the midpoint to the edge Diameter Straight line from one edge through the centre to another edge Tangent Straight line touching edge of a circle Sector Like a slice of cake, the area between two radii Arc A section of the circumference Chord A straight line whose two endpoints lie on the circumference Segment The section of a circle that you get when you cut it with a chord
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