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Quadrilaterals
Quadrilaterals: Finding sides and angles rhornfeck
Properties of parallelograms Khan Academy
Practice examples Onlinemathforall.com
Polygon Sum Conjecture and Polygon Exterior Angles Sum Theorem
Video (29:19) on notes* Ms. Hauer
Angles, lines and polygons BBC
Angle sums NCTM
Sum of the exterior angles of a polygon Khan Academy
Exterior angles of a polygon Math Warehouse
Interior angles of a polygon Math Open Reference
Polygon Interior Angles Theorem: Concave Polygons Chelsea C
What are composite figures? Virtual Nerd
Parallelograms and Tessellations
Video (23:41) on notes* Ms. HauerProperties of Parallelograms wyzant
What are tessellations? Math is Fun
Rhombi, rectangles, and squares
Video (14:26) on notes* Ms. Hauer
