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====== [[Pi the mathematical constant|Pi the mathematical constant]] ======
====== [[Pi the mathematical constant|Pi the mathematical constant]] ======
−======[[Is circle a Polygon ? - A debate|'''Is circle a Polygon ? - A debate''']]======
+======[[Is circle a Polygon ? - A debate|Is circle a Polygon ? - A debate]]======
==== Concept #2 Basic terms ====
==== Concept #2 Basic terms ====
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===== Activities =====
===== Activities =====
−====== [[Centre of a circle|'''Centre of a circle''']] ======
+====== [[Centre of a circle|Centre of a circle]] ======
−====== [[Radius and diameter of a circle|'''Radius and diameter of a circle''']] ======
+====== [[Radius and diameter of a circle|Radius and diameter of a circle]] ======
−====== [[Circumference of a circle|'''Circumference of a circle''']] ======
+====== [[Circumference of a circle|Circumference of a circle]] ======
−====== [[Semicircle|'''Semicircle''']] ======
+====== [[Semicircle|Semicircle]] ======
−====== [[Interior and exterior of a circle|'''Interior and exterior of a circle''']] ======
+====== [[Interior and exterior of a circle|Interior and exterior of a circle]] ======
−====== [[Chord of a circle|'''Chord of a circle''']] ======
+====== [[Chord of a circle|Chord of a circle]] ======
−====== [[Arc of a circle|'''Arc of a circle''']] ======
+====== [[Arc of a circle|Arc of a circle]] ======
−====== [[Sector of a circle|'''Sector of a circle''']] ======
+====== [[Sector of a circle|Sector of a circle]] ======
−====== [[Concentric circles|'''Concentric circles''']] ======
+====== [[Concentric circles|Concentric circles]] ======
−====== [[Congruent circles|'''Congruent circles''']] ======
+====== [[Congruent circles|Congruent circles]] ======
==== Concept #3: Circles and Lines ====
==== Concept #3: Circles and Lines ====