Abstract
A circle is the plane figure traced out when a line with one, end at a fixed point makes one complete revolution about that point. The fixed point is called the centre, and the length of the line is called the radius of the circle. The circumference is the curve traced out by the extreme point of a radius.
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© 1981 Owen Perry and Joyce Perry
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Perry, O., Perry, J. (1981). The Geometry of the Circle. In: Mathematics I. Macmillan Technician Series. Palgrave Macmillan, London. https://doi.org/10.1007/978-1-349-05230-1_12
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DOI: https://doi.org/10.1007/978-1-349-05230-1_12
Publisher Name: Palgrave Macmillan, London
Print ISBN: 978-1-349-05232-5
Online ISBN: 978-1-349-05230-1
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