Quadrilateral

Quadrilateral

1. a shape with four sides

   • The sum of the measures of the angles in any quadrilateral is 360

2. Parallelograms

   • oppiste sides are congruent
     • oppisite sides are parallel
       • oppisite angles are congruent
         • diagonals bisect each other
           • consecutive angles are supplementry
   • Rhombus
     • diagonals are perpendicular
       • diagonals bisect the angles
         • four equal sides
     • image
   • Rectangle
     • 90 degree angles
       • diagonals are congruent
         • square
           • all stuff from parallelogram
             • all stuff from a rhombus
               • all stuff from a rectangle
           • image
     • image
   • image

3. Trapezoid

   • exactly one pair of opposite sides are parallel
     • Isosceles trapezoid
       • one pair of opposite sides are parallel
         • non parallel sides are equal
           • diagonals are congruent
         • isosceles trapezoid
           • image
   • image

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