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The longest chord passes through the centre of the circle (view source)
Revision as of 21:17, 9 July 2014
, 21:17, 9 July 2014no edit summary
===Notes for teachers===
===Notes for teachers===
===Activities===
===Activities===
#Activity #1 - Construction of Direct common tangent
#Activity #1 - [[Circles_and_lines_activity_4|Construction of Direct common tangent]]
#Activity #2 - Construction of Transverse common tangent
#Activity #2 - [[Circles_and_lines_activity_5|Construction of Transverse common tangent]]
==Concept #4 Cyclic quadrilateral==
==Concept #4 Cyclic quadrilateral==
===Activities===
===Activities===
#Activity #1 - [[Circles_and_lines_activity_6|Cyclic quadrilateral]]
#Activity #1 - [[Circles_and_lines_activity_6|Cyclic quadrilateral]]
#Activity #2 - [[Circles_and_lines_activity_7|Properties of cyclic quadrilateral]]
= Hints for difficult problems =
= Hints for difficult problems =