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QUADRILATERALS

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RECTANGLE

  • OPPOSITE SIDES PARALLEL
  • OPPOSITE SIDES EQUAL
  • ALL ANGLES RIGHT
  • DIAGONALS EQUAL
  • DIAGOMALS BISECT EACH OTHER

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SQUARE

  • ALL SIDES EQUAL
  • OPPOSITE SIDES PARALLEL
  • ALL ANGLES RIGHT
  • DIAGONALS EQUAL
  • DIAGONALS PERPENDICULAR BISECTORS OF EACH OTHER

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PARALLELOGRAM

  • OPPOSITE SIDES EQUAL
  • OPPOSITE SIDES PARALLEL
  • DIAGONALS BISECT EACH OTHER
  • OPPOSITE ANGLES EQUAL
  • SUM OF ANGLES ON THE SAME SIDE IS 1800

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RHOMBUS

  • ALL SIDES EQUAL
  • OPPOSITE SIDES PARALLEL
  • DIAGONALS PERPENDICULAR BISECTORS OF EACH OTHER
  • OPPOSITE ANGLES EQUAL
  • SUM OF ANGLES ON SAME SIDE 1800

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TRAPEZIUM

  • ONLY ONE PAIR OF OPPOSITE SIDES PARALLEL
  • SUM OF ANGLES ON EACH NON PARALLEL SIDES 1800

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ISOSCELES TRAPEZIUM

  • ONLY ONE PAIR OF OPPOSITE SIDES PARALLEL
  • NON PARALLEL SIDES EQUAL
  • DIAGONALS EQUAL
  • ANGLES ON EACH OF PARALLEL SIDES EQUAL
  • ANGLES ON EACH OF JON PARALLEL SIDES 1800