Some class learned about rhombi and squares before Thanksgiving Break, while 4th hour picked it up after break. A rhombus is a parallelogram with all 4 congruent sides, perpendicular diagonals, and diagonals that bisect their vertex angles. A square has all the properties of a parallelogram, rectangle and rhombus.
Homework is from students' textbooks:
p351 #2-5, 8, 15, 16, 30-35
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