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→Concept #1 A triangle and its properties
= Teaching Outlines =
= Teaching Outlines =
==Concept #1 A triangle and its properties==
==Concept #1 A triangle and its basic properties==
===Learning objectives===
===Learning objectives===
# A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments.
# A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments.