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# Quadrilaterals

Learn

Intro to quadrilateralRight angles in shapes (informal definition)Identifying quadrilateralsQuadrilateral propertiesQuadrilateral typesClassifying quadrilateralsKites as a geometric shapeQuadrilaterals review

Practice

Learn

Proof: Opposite sides of a parallelogramProof: Diagonals of a parallelogramProof: Opposite angles of a parallelogramProof: Rhombus diagonals are perpendicular bisectorsWhether a special quadrilateral can existRhombus diagonals

Practice

Test your understanding of

**Quadrilaterals**with these 9 questions.