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# Types of angles
 
# Types of angles
   −
====== '''Polygons''' ======
+
===== '''Polygons''' =====
 
# Intersecting lines (3 lines cover an area called a triangle; 4 lines cover a quadrilateral)
 
# Intersecting lines (3 lines cover an area called a triangle; 4 lines cover a quadrilateral)
 
# Explore the properties of triangles
 
# Explore the properties of triangles

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