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Math
Geometry
Perimeter, Area, and Volume
Area and Perimeter of Triangles and Quadrilaterals
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Subtopics
Rectangle Area
Triangle Area in Terms of Base and Height
Kite Area
Link from Areas to Coordinates and Trig
Parallelogram Area
Trapezoid Area
Cavalieri's Principle, 2-D Version
Applying Area Formulas: Recognizing Simple Shapes
Area Proofs of Pythagoras
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