Khan Academy
Khan Academy View : Topic - Shapes
Quadrilateral properties | Perimeter, area, and volume | Geometry | Khan Academy
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domain:Mathematicssubject:Basic geometrytopic:Shapes329 Reads
Proof: Opposite angles of parallelogram congruent | Quadrilaterals | Geometry | Khan Academy
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domain:Mathematicssubject:Basic geometrytopic:Shapes388 Reads
Categorizing triangles | Geometry | 4th grade | Khan Academy
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domain:Mathematicssubject:Basic geometrytopic:Shapes374 Reads
Quadrilaterals: find the type exercise | Quadrilaterals | Geometry | Khan Academy
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domain:Mathematicssubject:Basic geometrytopic:Shapes371 Reads