CCI - AMSI
CIRCLE GEOMETRYThe Improving Mathematics Education in Schools (TIMES) Project MEASUREMENT AND GEOMETRY Module 26CCICIRLEA guide for teachers - Years 9 10June 2011Circle Geometry(Measurement and Geometry: Module 26)For teachers of Primary and Secondary Mathematics510Cover design, Layout design and Typesetting by Claire HoThe Improving Mathematics Education in Schools (TIMES) Project 2009 2011 was funded by the Australian Government Department of Education, Employment and Workplace views expressed here are those of the author and do not necessarily represent the views of the Australian Government Department of Education, Employment and Workplace Relations.
Arcs and sectors Let A and B be two different points on a circle with centre O. These two points divide the circle into two opposite arcs. If the chord AB is a diameter, then the two arcs are called semicircles. Otherwise, one arc is longer than the other – the longer arc is called the major arc AB and the shorter arc is called the minor arc ...
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