6.6   Properties Of Special Parallelograms (2009)
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6.6 Properties Of Special Parallelograms (2009)

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6.6   Properties Of Special Parallelograms (2009) 6.6 Properties Of Special Parallelograms (2009) Presentation Transcript

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  • ANSWERS
  • ANSWERS
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  • 6.6 Properties of Special Parallelograms Need: -Notes -Conjecture List
  • What is a Parallelogram?
    • Opposite sides are parallel
    • Opposite sides are congruent
    • Opposite angles are equal
    • Consecutive angles supplementary
    • Diagonals bisect eachother
  • What is a Rectangle?
    • Rectangles are special parallelograms
      • Has all the properties of a parallelogram
    • All angles are congruent
      • Each angle is 90 °
  • What is a Rhombus?
    • Rectangles are special parallelograms
      • Has all the properties of a parallelogram
    • Has four congruent sides
    • Sometimes called a diamond
  • What is a Square?
    • Squares are special parallelograms
      • Has all the properties of a parallelogram
    • A square is a kind of rectangle
      • Each angle is 90 °
    • A square is also a special rhombus
      • All sides are congruent
  • What is a Square?
    • A square is an equilateral rectangle
    • A square is an equiangular rhombus
    • A regular quadrilateral
  • Is a square a rectangle? YES!
    • Opposite Sides Parallel
    • Opposite Sides Equal
    • Each angle is 90°
  • Is every square a rectangle? YES!
  • Is every rectangle a square? NO!
  • Is a square a rhombus? YES!
    • All sides are equal
  • Is every square a rhombus? YES!
  • Is every rhombus a square? NO!
  • SPECIAL PROPERTIES OF A RHOMBUS Diagonals of a rhombus are perpendicular
  • SPECIAL PROPERTIES OF A RHOMBUS Diagonals of a rhombus bisect the angles
  • Classwork Worksheet
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