Tuesday, October 26, 2010

Quadrilaterals

Quadrilaterals
  • four sides
  • sum of the interior angles is 360 degrees

Kite
  • 2 pair of congruent sides
  • consective sides are not congruent


Parallelogram
  • both pairs of oppisite sides are congruent
  • both pairs of oppisite angles are congruent

Rectangles
  • 4 right angles
  • diagonals are congruent

Rhombus
  • parellelogram with 4 congruent sides
  • diagonals are perpendicular
  • pair of oppisite angles

Square
  • all sides are congruent
  • angles are are congruent
  •  diagonals intersect at 90 degrees

Trapizoid
  • 1 pair of parellel sides

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